[heparan sulfate]-glucosamine 3-sulfotransferase 1 activity [heparan sulfate]-glucosamine N-sulfotransferase activity 1-acyl-2-lysophosphatidylserine acylhydrolase activity 1-acylglycerol-3-phosphate O-acyltransferase activity 1-acylglycerophosphocholine O-acyltransferase activity 1-alkyl-2-acetylglycerophosphocholine esterase activity 1-phosphatidylinositol 4-kinase activity 1-phosphatidylinositol binding 1-phosphatidylinositol-3-kinase activity 1-phosphatidylinositol-3-kinase regulator activity 1-phosphatidylinositol-4-phosphate 3-kinase activity 1-phosphatidylinositol-4-phosphate 5-kinase activity 1-phosphatidylinositol-5-phosphate 4-kinase activity 2 iron, 2 sulfur cluster binding 2-acylglycerol O-acyltransferase activity 2-acylglycerol-3-phosphate O-acyltransferase activity 2-oxoglutarate-dependent dioxygenase activity 3',5'-cyclic-AMP phosphodiesterase activity 3',5'-cyclic-GMP phosphodiesterase activity 3',5'-cyclic-nucleotide phosphodiesterase activity 3'-5' DNA helicase activity 3'-5' exonuclease activity 3'-5'-exodeoxyribonuclease activity 3'-5'-exoribonuclease activity 3-beta-hydroxy-delta5-steroid dehydrogenase activity 3-chloroallyl aldehyde dehydrogenase activity 3-hydroxyacyl-CoA dehydratase activity 3-hydroxyacyl-CoA dehydrogenase activity 3-hydroxy-arachidoyl-CoA dehydratase activity 3-hydroxy-behenoyl-CoA dehydratase activity 3-hydroxy-lignoceroyl-CoA dehydratase activity 3-keto sterol reductase activity 3-oxoacyl-[acyl-carrier-protein] reductase (NADH) activity 3-oxo-arachidoyl-CoA synthase activity 3-oxo-cerotoyl-CoA synthase activity 3-oxo-lignoceronyl-CoA synthase activity 3'-phosphoadenosine 5'-phosphosulfate binding 4 iron, 4 sulfur cluster binding 5'-3' exodeoxyribonuclease activity 5'-3' exonuclease activity 5'-deoxyribose-5-phosphate lyase activity 5'-flap endonuclease activity 5'-nucleotidase activity 5S rRNA binding 6-phosphofructo-2-kinase activity 7S RNA binding 7SK snRNA binding 11-cis retinal binding 14-3-3 protein binding acetylcholine binding acetylcholine receptor activator activity acetylcholine receptor activity acetylcholine receptor binding acetylcholine receptor inhibitor activity acetylcholine receptor regulator activity acetylcholine-gated cation-selective channel activity acetyl-CoA C-acetyltransferase activity acetyl-CoA C-acyltransferase activity acetyl-CoA carboxylase activity acetyl-CoA hydrolase activity acetylgalactosaminyltransferase activity acetylglucosaminyltransferase activity acetyltransferase activity acid phosphatase activity acrosin binding actin binding actin filament binding actin monomer binding actin-dependent ATPase activity actinin binding activating transcription factor binding activin binding activin receptor activity, type I activin receptor binding acyl carnitine transmembrane transporter activity acyl-CoA dehydrogenase activity acyl-CoA hydrolase activity acyl-CoA ligase activity acyl-CoA oxidase activity acylglycerol lipase activity adenosine deaminase activity adenyl ribonucleotide binding adenylate cyclase activator activity adenylate cyclase activity adenylate cyclase binding adenylate kinase activity adenyl-nucleotide exchange factor activity adiponectin binding ADP binding ADP-ribose diphosphatase activity ADP-ribosylation factor binding adrenergic receptor activity advanced glycation end-product receptor activity alanine-tRNA ligase activity alcohol dehydrogenase (NAD) activity alcohol dehydrogenase (NADP+) activity alcohol dehydrogenase activity, zinc-dependent aldehyde dehydrogenase (NAD) activity aldehyde dehydrogenase [NAD(P)+] activity alditol_NADP+ 1-oxidoreductase activity aldo-keto reductase (NADP) activity alkaline phosphatase activity alkane 1-monooxygenase activity alpha-(1-_3)-fucosyltransferase activity alpha-1,3-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity alpha-2A adrenergic receptor binding alpha-actinin binding alpha-amylase activity (releasing maltohexaose) alpha-amylase activity alpha-catenin binding alpha-glucosidase activity alpha-mannosidase activity alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase activity alpha-N-acetylneuraminate alpha-2,8-sialyltransferase activity alpha-sialidase activity alpha-tubulin binding amidase activity amino acid binding amino acid transmembrane transporter activity aminoacylase activity aminoacyl-tRNA editing activity aminoacyl-tRNA hydrolase activity aminoacyl-tRNA ligase activity aminopeptidase activity aminophospholipid transmembrane transporter activity ammonium transmembrane transporter activity AMP binding AMPA glutamate receptor activity AMP-activated protein kinase activity amylin receptor activity amyloid-beta binding anaphase-promoting complex binding androgen binding androgen receptor binding androsterone dehydrogenase activity angiostatin binding angiotensin type II receptor activity anion channel activity anion transmembrane transporter activity anion_anion antiporter activity ankyrin binding ankyrin repeat binding annealing helicase activity antigen binding antioxidant activity antiporter activity AP-1 adaptor complex binding AP-2 adaptor complex binding apolipoprotein A-I binding apolipoprotein A-I receptor binding apolipoprotein binding arachidonic acid binding arachidonic acid epoxygenase activity ARF guanyl-nucleotide exchange factor activity arginine binding arginine transmembrane transporter activity armadillo repeat domain binding aromatase activity Arp2_3 complex binding arrestin family protein binding aryl hydrocarbon receptor binding aryl sulfotransferase activity arylesterase activity arylsulfatase activity aspartic endopeptidase activity, intramembrane cleaving aspartic-type endopeptidase activity aspartic-type endopeptidase inhibitor activity AT DNA binding ATP binding ATP transmembrane transporter activity ATP_ADP antiporter activity ATP-activated inward rectifier potassium channel activity ATPase activator activity ATPase activity, coupled to transmembrane movement of substances ATPase activity, coupled ATPase activity ATPase binding ATPase inhibitor activity ATP-dependent 3'-5' DNA helicase activity ATP-dependent 3'-5' RNA helicase activity ATP-dependent 5'-3' DNA helicase activity ATP-dependent DNA helicase activity ATP-dependent helicase activity ATP-dependent microtubule motor activity, minus-end-directed ATP-dependent microtubule motor activity, plus-end-directed ATP-dependent peptidase activity ATP-dependent protein binding ATP-dependent RNA helicase activity ATP-gated ion channel activity AU-rich element binding axon guidance receptor activity basic amino acid transmembrane transporter activity BAT3 complex binding benzodiazepine receptor activity benzodiazepine receptor binding beta-1 adrenergic receptor binding beta-2 adrenergic receptor binding beta-2-microglobulin binding beta-adrenergic receptor kinase activity beta-catenin binding beta-galactosidase activity beta-galactoside (CMP) alpha-2,3-sialyltransferase activity beta-glucosidase activity beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase activity beta-N-acetylhexosaminidase activity beta-tubulin binding BH domain binding BH3 domain binding bHLH transcription factor binding bicarbonate transmembrane transporter activity bile acid binding bile acid transmembrane transporter activity bile acid_sodium symporter activity biotin binding biotin carboxylase activity bis(5'-adenosyl)-hexaphosphatase activity bis(5'-adenosyl)-pentaphosphatase activity bisphosphoglycerate mutase activity bitter taste receptor activity BMP binding BMP receptor activity BMP receptor binding box H_ACA snoRNA binding bubble DNA binding butyrate-CoA ligase activity C2H2 zinc finger domain binding C3HC4-type RING finger domain binding cadherin binding involved in cell-cell adhesion cadherin binding cadmium ion binding caffeine oxidase activity calcitonin gene-related peptide receptor activity calcium activated cation channel activity calcium channel activity calcium channel inhibitor activity calcium channel regulator activity calcium ion binding calcium ion transmembrane transporter activity calcium sensitive guanylate cyclase activator activity calcium, potassium_sodium antiporter activity calcium_sodium antiporter activity calcium-activated potassium channel activity calcium-dependent cysteine-type endopeptidase activity calcium-dependent phospholipase A2 activity calcium-dependent phospholipid binding calcium-dependent protein binding calcium-dependent protein kinase C activity calcium-dependent protein serine_threonine kinase activity calcium-independent phospholipase A2 activity calcium-induced calcium release activity calcium-release channel activity calcium-transporting ATPase activity calmodulin binding calmodulin-dependent protein kinase activity calmodulin-dependent protein phosphatase activity cAMP binding cAMP response element binding protein binding cAMP response element binding cAMP-dependent protein kinase activity cAMP-dependent protein kinase inhibitor activity cAMP-dependent protein kinase regulator activity carbohydrate binding carbohydrate derivative binding carbohydrate_proton symporter activity carbonate dehydratase activity carbon-sulfur lyase activity carbonyl reductase (NADPH) activity carboxylic acid binding carboxylic ester hydrolase activity carboxy-lyase activity carboxypeptidase activity CARD domain binding cardiolipin binding cargo receptor activity carnitine O-palmitoyltransferase activity caspase binding catalase activity catalytic activity cation binding cation channel activity cation transmembrane transporter activity cation_chloride symporter activity cation-transporting ATPase activity C-C chemokine binding C-C chemokine receptor activity CCR chemokine receptor binding CCR1 chemokine receptor binding CCR2 chemokine receptor binding CCR3 chemokine receptor binding CCR5 chemokine receptor binding CCR6 chemokine receptor binding CD4 receptor binding CD8 receptor binding cell adhesion molecule binding cell adhesive protein binding involved in bundle of His cell-Purkinje myocyte communication cell-cell adhesion mediator activity centromeric DNA binding ceramidase activity ceramide 1-phosphate binding ceramide 1-phosphate transporter activity ceramide binding cGMP binding channel activity channel regulator activity chaperone binding chemoattractant activity chemokine activity chemokine binding chemokine receptor activity chemokine receptor binding chemorepellent activity chitin binding chitinase activity chloride channel activity chloride channel inhibitor activity chloride channel regulator activity chloride ion binding chloride transmembrane transporter activity cholesterol binding cholesterol transporter activity choline binding choline transmembrane transporter activity chondroitin sulfate binding chromatin binding chromatin DNA binding chromo shadow domain binding ciliary neurotrophic factor receptor activity ciliary neurotrophic factor receptor binding citrate transmembrane transporter activity class I DNA-(apurinic or apyrimidinic site) endonuclease activity clathrin adaptor activity clathrin binding clathrin heavy chain binding clathrin light chain binding cobalamin binding cobalamin-transporting ATPase activity coenzyme binding cofactor binding collagen binding involved in cell-matrix adhesion collagen binding collagen fibril binding collagen receptor activity complement binding complement component C1q binding complement component C3b binding connexin binding copper ion binding copper ion transmembrane transporter activity core promoter binding core promoter sequence-specific DNA binding coreceptor activity involved in canonical Wnt signaling pathway coreceptor activity involved in Wnt signaling pathway, planar cell polarity pathway coreceptor activity co-receptor binding corticotropin-releasing hormone receptor 1 binding corticotropin-releasing hormone receptor 2 binding co-SMAD binding creatine kinase activity crossover junction endodeoxyribonuclease activity cullin family protein binding cupric ion binding cuprous ion binding C-X3-C chemokine binding C-X-C chemokine receptor activity CXCR3 chemokine receptor binding cyclic-nucleotide phosphodiesterase activity cyclin binding cyclin-dependent protein kinase activity cyclin-dependent protein serine_threonine kinase activator activity cyclin-dependent protein serine_threonine kinase activity cyclin-dependent protein serine_threonine kinase inhibitor activity cyclin-dependent protein serine_threonine kinase regulator activity cyclosporin A binding cysteine-type carboxypeptidase activity cysteine-type endopeptidase activator activity involved in apoptotic process cysteine-type endopeptidase activity involved in apoptotic process cysteine-type endopeptidase activity involved in apoptotic signaling pathway cysteine-type endopeptidase activity involved in execution phase of apoptosis cysteine-type endopeptidase activity cysteine-type endopeptidase inhibitor activity involved in apoptotic process cysteine-type endopeptidase inhibitor activity cysteine-type peptidase activity cytidine deaminase activity cytidylate kinase activity cytochrome-b5 reductase activity, acting on NAD(P)H cytochrome-c oxidase activity cytokine activity cytokine binding cytokine receptor activity cytokine receptor binding cytoskeletal adaptor activity cytoskeletal protein binding D1 dopamine receptor binding D2 dopamine receptor binding damaged DNA binding D-aminoacyl-tRNA deacylase activity deacetylase activity DEAD_H-box RNA helicase binding deaminase activity death domain binding death effector domain binding death receptor binding decanoate-CoA ligase activity delayed rectifier potassium channel activity delta-catenin binding demethylase activity denatured protein binding deoxycytidine deaminase activity deoxynucleoside kinase activity deoxyribonuclease activity deoxyribonuclease I activity diacylglycerol binding diacylglycerol kinase activity diacylglycerol O-acyltransferase activity diamine N-acetyltransferase activity dimethylargininase activity dioxygenase activity dipeptidase activity dipeptidyl-peptidase activity diphosphoinositol-polyphosphate diphosphatase activity disordered domain specific binding disulfide oxidoreductase activity DNA binding, bending DNA clamp loader activity DNA helicase activity DNA N-glycosylase activity DNA polymerase activity DNA polymerase binding DNA primase activity DNA replication origin binding DNA topoisomerase activity DNA topoisomerase binding DNA topoisomerase type I activity DNA translocase activity DNA-(apurinic or apyrimidinic site) endonuclease activity DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription factor activity, RNA polymerase II-specific DNA-binding transcription factor activity DNA-binding transcription repressor activity, RNA polymerase II-specific DNA-dependent ATPase activity DNA-dependent protein kinase activity DNA-directed 5'-3' RNA polymerase activity DNA-directed DNA polymerase activity DNA-methyltransferase activity dolichyl-diphosphooligosaccharide-protein glycotransferase activity dolichyl-phosphate-glucose-glycolipid alpha-glucosyltransferase activity dolichyl-phosphate-mannose-protein mannosyltransferase activity dopachrome isomerase activity dopamine binding dopamine neurotransmitter receptor activity, coupled via Gi_Go dopamine neurotransmitter receptor activity dopamine_sodium symporter activity double-stranded DNA binding double-stranded methylated DNA binding double-stranded RNA adenosine deaminase activity double-stranded RNA binding double-stranded telomeric DNA binding drug binding D-tyrosyl-tRNA(Tyr) deacylase activity dynactin binding dynein complex binding dynein heavy chain binding dynein intermediate chain binding dynein light chain binding dynein light intermediate chain binding dystroglycan binding E-box binding efflux transmembrane transporter activity electron transfer activity endodeoxyribonuclease activity, producing 5'-phosphomonoesters endodeoxyribonuclease activity endogenous lipid antigen binding endonuclease activity endopeptidase activator activity endopeptidase activity endopeptidase inhibitor activity endopolyphosphatase activity endoribonuclease activity, producing 5'-phosphomonoesters endoribonuclease activity enhancer binding enhancer sequence-specific DNA binding enoyl-CoA hydratase activity enzyme activator activity enzyme binding enzyme inhibitor activity enzyme regulator activity ephrin receptor activity ephrin receptor binding epidermal growth factor binding epidermal growth factor receptor binding epinephrine binding epoxide hydrolase activity ER retention sequence binding ErbB-2 class receptor binding ErbB-3 class receptor binding estradiol 17-beta-dehydrogenase activity estrogen 2-hydroxylase activity estrogen 16-alpha-hydroxylase activity estrogen receptor activity estrogen receptor binding estrogen response element binding ethanolamine kinase activity eukaryotic initiation factor 4E binding eukaryotic translation initiation factor 2alpha kinase activity exo-alpha-(2-_3)-sialidase activity exo-alpha-(2-_6)-sialidase activity exo-alpha-(2-_8)-sialidase activity exo-alpha-sialidase activity exodeoxyribonuclease III activity exogenous lipid antigen binding exonuclease activity exopeptidase activity exopolyphosphatase activity exoribonuclease activity extracellular ligand-gated ion channel activity extracellular matrix binding extracellular matrix constituent conferring elasticity extracellular matrix constituent, lubricant activity extracellular matrix protein binding extracellular matrix structural constituent conferring compression resistance extracellular matrix structural constituent conferring tensile strength extracellular matrix structural constituent extracellularly ATP-gated cation channel activity extracellularly glycine-gated chloride channel activity FAD binding fatty acid binding fatty acid elongase activity fatty acid ligase activity fatty acid transmembrane transporter activity fatty-acyl-CoA binding fatty-acyl-CoA synthase activity FATZ binding ferric iron binding ferrous iron binding ferroxidase activity FHA domain binding fibrinogen binding fibroblast growth factor binding fibroblast growth factor receptor binding fibroblast growth factor-activated receptor activity fibronectin binding filamin binding FK506 binding flavin adenine dinucleotide binding FMN binding folic acid binding folic acid transmembrane transporter activity four-way junction DNA binding four-way junction helicase activity frizzled binding fructokinase activity fructose binding fructose-2,6-bisphosphate 2-phosphatase activity fructose-6-phosphate binding fructose-bisphosphate aldolase activity fucose binding fucosyltransferase activity G protein-coupled acetylcholine receptor activity G protein-coupled adenosine receptor activity G protein-coupled GABA receptor activity G protein-coupled peptide receptor activity G protein-coupled photoreceptor activity G protein-coupled purinergic nucleotide receptor activity G protein-coupled receptor activity G protein-coupled receptor binding G protein-coupled receptor kinase activity G protein-coupled serotonin receptor activity G protein-coupled serotonin receptor binding GABA receptor binding GABA-A receptor activity GABA-gated chloride ion channel activity galactose binding galactoside binding galactosylceramide sulfotransferase activity galactosyltransferase activity galanin receptor activity gamma-aminobutyric acid_sodium symporter activity gamma-catenin binding gamma-glutamylcyclotransferase activity gamma-tubulin binding ganglioside galactosyltransferase activity gap junction channel activity gap junction hemi-channel activity GDP binding GDP-dissociation inhibitor activity GKAP_Homer scaffold activity glial cell-derived neurotrophic factor receptor activity glucocorticoid receptor binding glucokinase activity glucose binding glucose transmembrane transporter activity glucose_sodium symporter activity glucose-6-phosphatase activity glucosyltransferase activity glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase activity glucuronosyltransferase activity glutamate binding glutamate receptor activity glutamate receptor binding glutamate-gated calcium ion channel activity glutaminase activity glutathione binding glutathione disulfide oxidoreductase activity glutathione hydrolase activity glutathione peroxidase activity glutathione transferase activity glyceraldehyde-3-phosphate dehydrogenase (NAD+) (non-phosphorylating) activity glycerol channel activity glycerol kinase activity glycerol-3-phosphate O-acyltransferase activity glycine binding glycine hydroxymethyltransferase activity glycine N-acyltransferase activity glycine transmembrane transporter activity glycogen binding glycolipid binding glycosaminoglycan binding glycosphingolipid binding GPI anchor binding GPI-anchor transamidase activity GPI-linked ephrin receptor activity G-protein activated inward rectifier potassium channel activity G-protein alpha-subunit binding G-protein beta_gamma-subunit complex binding G-protein beta-subunit binding G-quadruplex DNA binding G-quadruplex RNA binding G-rich strand telomeric DNA binding growth factor activity growth factor binding growth factor receptor binding growth hormone receptor binding GTP binding GTPase activating protein binding GTPase activator activity GTPase activity GTPase binding GTPase inhibitor activity GTPase regulator activity GTP-dependent protein binding GTP-Rho binding guanyl nucleotide binding guanylate cyclase activity guanylate kinase activity guanyl-nucleotide exchange factor activity H4 histone acetyltransferase activity haptoglobin binding heat shock protein binding helicase activity heme binding heme transporter activity hemoglobin binding heparan sulfate N-acetylglucosaminyltransferase activity heparan sulfate proteoglycan binding heparan sulfate sulfotransferase activity heparin binding heterotrimeric G-protein binding hexokinase activity high voltage-gated calcium channel activity high-affinity glutamate transmembrane transporter activity high-density lipoprotein particle binding histamine receptor activity histone acetyltransferase activity (H4-K5 specific) histone acetyltransferase activity (H4-K8 specific) histone acetyltransferase activity (H4-K16 specific) histone acetyltransferase activity histone acetyltransferase binding histone binding histone deacetylase activity histone deacetylase binding histone demethylase activity (H3-dimethyl-K4 specific) histone demethylase activity (H3-K4 specific) histone demethylase activity (H3-K9 specific) histone demethylase activity (H3-K27 specific) histone demethylase activity (H3-K36 specific) histone demethylase activity (H3-trimethyl-K4 specific) histone demethylase activity histone kinase activity histone methyltransferase activity (H3-K4 specific) histone methyltransferase activity (H3-K9 specific) histone methyltransferase activity (H3-K27 specific) histone methyltransferase activity (H3-K36 specific) histone methyltransferase activity (H4-K20 specific) histone methyltransferase activity (H4-R3 specific) histone methyltransferase activity histone methyltransferase binding histone pre-mRNA DCP binding histone serine kinase activity histone-arginine N-methyltransferase activity histone-lysine N-methyltransferase activity HLA-B specific inhibitory MHC class I receptor activity HMG box domain binding hormone activity hormone binding hormone receptor binding Hsp70 protein binding Hsp90 protein binding hyaluronan synthase activity hyaluronic acid binding hyalurononglucosaminidase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds hydrolase activity, acting on ester bonds hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing N-glycosyl compounds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity hydroxyapatite binding hydroxymethyl-, formyl- and related transferase activity hypoglycin A gamma-glutamyl transpeptidase activity identical protein binding IgA binding IgE binding IgG binding IgM binding immunoglobulin binding immunoglobulin receptor binding IMP dehydrogenase activity importin-alpha family protein binding inhibin binding inhibitory extracellular ligand-gated ion channel activity inhibitory MHC class I receptor activity inorganic anion exchanger activity inorganic diphosphatase activity inorganic phosphate transmembrane transporter activity inositol 1,3,4,5 tetrakisphosphate binding inositol 1,4,5 trisphosphate binding inositol diphosphate pentakisphosphate diphosphatase activity inositol diphosphate tetrakisphosphate diphosphatase activity inositol hexakisphosphate 1-kinase activity inositol hexakisphosphate 3-kinase activity inositol hexakisphosphate 5-kinase activity inositol hexakisphosphate kinase activity inositol monophosphate 1-phosphatase activity inositol monophosphate 3-phosphatase activity inositol monophosphate 4-phosphatase activity inositol monophosphate phosphatase activity inositol-1,4,5-trisphosphate 3-kinase activity inositol-1,4,5-trisphosphate 5-phosphatase activity inositol-polyphosphate 5-phosphatase activity insulin binding insulin receptor binding insulin receptor substrate binding insulin-like growth factor binding insulin-like growth factor I binding insulin-like growth factor II binding insulin-like growth factor receptor binding integrin binding interleukin-1 binding interleukin-1 receptor activity interleukin-1 receptor binding interleukin-2 receptor binding interleukin-6 receptor binding interleukin-12 receptor binding interleukin-17 receptor activity intermediate filament binding intermembrane lipid transfer activity intracellular calcium activated chloride channel activity intracellular cAMP-activated cation channel activity intracellular cGMP-activated cation channel activity intracellular cyclic nucleotide activated cation channel activity intraciliary transport particle B binding intramolecular transferase activity, phosphotransferases intramolecular transferase activity inward rectifier potassium channel activity ion channel activity ion channel binding ion channel inhibitor activity ion channel regulator activity ion transmembrane transporter activity ionotropic glutamate receptor activity ionotropic glutamate receptor binding iron ion binding iron ion transmembrane transporter activity iron-sulfur cluster binding ISG15 transferase activity I-SMAD binding isomerase activity JUN kinase binding JUN kinase kinase kinase activity K48-linked polyubiquitin modification-dependent protein binding K63-linked polyubiquitin modification-dependent protein binding kainate selective glutamate receptor activity keratin filament binding ketosteroid monooxygenase activity kinase activator activity kinase activity kinase binding kinase inhibitor activity kinesin binding kinetochore binding kynurenine-oxoglutarate transaminase activity L27 domain binding lactate transmembrane transporter activity L-alanine transmembrane transporter activity lamin binding laminin binding laminin-1 binding L-amino acid transmembrane transporter activity large ribosomal subunit rRNA binding L-ascorbic acid binding L-aspartate transmembrane transporter activity LBD domain binding L-cystine transmembrane transporter activity leucine binding leucine zipper domain binding leukotriene B4 receptor activity leukotriene C4 gamma-glutamyl transferase activity leukotriene receptor activity leukotriene-B4 20-monooxygenase activity leukotriene-C4 synthase activity L-glutamate transmembrane transporter activity L-glutamine transmembrane transporter activity ligand-gated ion channel activity ligand-gated sodium channel activity ligase activity LIM domain binding lipase activity lipase binding lipase inhibitor activity lipid binding lipid phosphatase activity lipid transporter activity lipopeptide binding lipopolysaccharide binding lipopolysaccharide receptor activity lipoprotein particle binding lipoteichoic acid binding L-lactate dehydrogenase activity L-lysine transmembrane transporter activity L-malate dehydrogenase activity long-chain fatty acid binding long-chain fatty acid transporter activity long-chain fatty acid-CoA ligase activity long-chain fatty acyl-CoA binding long-chain-acyl-CoA dehydrogenase activity long-chain-enoyl-CoA hydratase activity L-ornithine transmembrane transporter activity low-density lipoprotein particle binding low-density lipoprotein particle receptor activity low-density lipoprotein particle receptor binding L-proline transmembrane transporter activity LRR domain binding L-serine transmembrane transporter activity lyase activity Lys48-specific deubiquitinase activity Lys63-specific deubiquitinase activity lysine N-acetyltransferase activity, acting on acetyl phosphate as donor lysine N-methyltransferase activity lysine-acetylated histone binding lysophosphatidic acid acyltransferase activity lysophosphatidic acid binding lysophosphatidic acid receptor activity lysophospholipase activity lysophospholipid acyltransferase activity lysozyme activity m7G(5')pppN diphosphatase activity magnesium ion binding magnesium ion transmembrane transporter activity magnesium-dependent protein serine_threonine phosphatase activity malate dehydrogenase activity malate transmembrane transporter activity malic enzyme activity manganese ion binding manganese ion transmembrane transporter activity mannokinase activity mannose binding mannosyl-oligosaccharide 1,2-alpha-mannosidase activity mannosyltransferase activity MAP kinase activity MAP kinase kinase activity MAP kinase kinase kinase activity MAP kinase kinase kinase kinase activity MAP kinase tyrosine_serine_threonine phosphatase activity MAP-kinase scaffold activity MDM2_MDM4 family protein binding mechanosensitive ion channel activity mediator complex binding melanocortin receptor activity melatonin receptor activity metal ion transmembrane transporter activity metalloaminopeptidase activity metallocarboxypeptidase activity metalloendopeptidase activity metalloendopeptidase inhibitor activity metalloexopeptidase activity metallopeptidase activity methyl indole-3-acetate esterase activity methylated histone binding methyl-CpG binding methylcytosine dioxygenase activity methylenetetrahydrofolate dehydrogenase (NADP+) activity methyltransferase activity methylumbelliferyl-acetate deacetylase activity MHC class I protein binding MHC class I protein complex binding MHC class I receptor activity MHC class Ib protein binding MHC class Ib protein complex binding MHC class Ib receptor activity MHC class II protein binding MHC class II protein complex binding MHC class II receptor activity MHC protein binding microfilament motor activity microtubule binding microtubule lateral binding microtubule minus-end binding microtubule motor activity microtubule plus-end binding microtubule-severing ATPase activity miRNA binding misfolded protein binding mismatched DNA binding mitochondrion targeting sequence binding mitogen-activated protein kinase binding mitogen-activated protein kinase kinase binding mitogen-activated protein kinase kinase kinase binding mitogen-activated protein kinase p38 binding modified amino acid binding molecular adaptor activity molecular function regulator molecular_function molybdenum ion binding molybdopterin cofactor binding monoamine transmembrane transporter activity monocarboxylic acid transmembrane transporter activity monooxygenase activity monosaccharide binding morphogen activity motor activity MRF binding mRNA 3'-UTR AU-rich region binding mRNA 3'-UTR binding mRNA 5'-UTR binding mRNA binding involved in posttranscriptional gene silencing mRNA binding muscle alpha-actinin binding MutLalpha complex binding MutSalpha complex binding mu-type opioid receptor binding myosin binding myosin heavy chain binding myosin II binding myosin light chain binding myosin light chain kinase activity myosin phosphatase activity myosin V binding myristoyl-CoA hydrolase activity N,N-dimethylaniline monooxygenase activity N6-methyladenosine-containing RNA binding NAADP-sensitive calcium-release channel activity N-acetylgalactosamine 4-O-sulfotransferase activity N-acetylgalactosaminyl-proteoglycan 3-beta-glucuronosyltransferase activity N-acetylglucosamine 6-O-sulfotransferase activity N-acetylglucosamine-6-sulfatase activity N-acetyllactosamine synthase activity N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase activity N-acetyllactosaminide beta-1,6-N-acetylglucosaminyltransferase activity N-acetylmuramoyl-L-alanine amidase activity N-acetyltransferase activity N-acylphosphatidylethanolamine-specific phospholipase D activity N-acylsphingosine amidohydrolase activity N-acyltransferase activity NAD binding NAD(P)+-protein-arginine ADP-ribosyltransferase activity NAD(P)H oxidase activity NAD+ ADP-ribosyltransferase activity NAD+ binding NAD+ kinase activity NAD-dependent histone deacetylase activity (H3-K14 specific) NAD-dependent histone deacetylase activity NAD-dependent protein deacetylase activity NADH binding NADH dehydrogenase (ubiquinone) activity NADH dehydrogenase activity NADH pyrophosphatase activity NADP binding NADPH binding NADPH_quinone reductase activity NADPH-hemoprotein reductase activity NADP-retinol dehydrogenase activity natural killer cell lectin-like receptor binding NEDD8 transferase activity NEDD8-specific protease activity nerve growth factor binding netrin receptor activity neuregulin binding neurexin family protein binding neuroligin family protein binding neuropeptide binding neuropeptide hormone activity neuropeptide receptor activity neuropeptide Y receptor activity neuropilin binding neurotransmitter binding neurotransmitter receptor activity neurotransmitter transporter activity neurotransmitter_sodium symporter activity neurotrophin binding neurotrophin TRKA receptor binding neutral amino acid transmembrane transporter activity NFAT protein binding NF-kappaB binding NF-kappaB-inducing kinase activity N-formyl peptide receptor activity nicotinate-nucleotide adenylyltransferase activity nicotinate-nucleotide diphosphorylase (carboxylating) activity nitric-oxide synthase binding nitric-oxide synthase regulator activity NMDA glutamate receptor activity nodal binding non-membrane spanning protein tyrosine kinase activity non-membrane spanning protein tyrosine phosphatase activity norepinephrine binding Notch binding nuclear export signal receptor activity nuclear hormone receptor binding nuclear import signal receptor activity nuclear localization sequence binding nuclear receptor activity nuclear receptor binding nuclear receptor transcription coactivator activity nuclease activity nucleic acid binding nucleobase-containing compound kinase activity nucleoside binding nucleoside diphosphate kinase activity nucleoside kinase activity nucleoside monophosphate kinase activity nucleoside transmembrane transporter activity nucleoside-diphosphatase activity nucleoside-triphosphatase activity nucleoside-triphosphate diphosphatase activity nucleosomal DNA binding nucleosomal histone binding nucleosome binding nucleotide binding nucleotide diphosphatase activity nucleotide phosphatase activity, acting on free nucleotides nucleotidyltransferase activity O-acyltransferase activity odorant binding olfactory receptor activity olfactory receptor binding oligopeptide transmembrane transporter activity oligosaccharide binding oligosaccharyl transferase activity O-methyltransferase activity opioid peptide activity opioid receptor activity opioid receptor binding organic acid binding organic anion transmembrane transporter activity organic cation transmembrane transporter activity ornithine decarboxylase inhibitor activity outward rectifier potassium channel activity oxalate transmembrane transporter activity oxaloacetate decarboxylase activity oxaloacetate transmembrane transporter activity oxidized purine DNA binding oxidoreductase activity, acting on a sulfur group of donors, disulfide as acceptor oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor oxidoreductase activity, acting on CH-OH group of donors oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced ascorbate as one donor, and incorporation of one atom of oxygen oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced pteridine as one donor, and incorporation of one atom of oxygen oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen oxidoreductase activity, acting on peroxide as acceptor oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-NH2 group of donors, oxygen as acceptor oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity oxoglutarate dehydrogenase (succinyl-transferring) activity oxygen binding oxygen carrier activity oxysterol binding p53 binding palmitoyl hydrolase activity palmitoyl-(protein) hydrolase activity palmitoyl-CoA hydrolase activity palmitoyltransferase activity pantothenate kinase activity patched binding PDZ domain binding peptidase activator activity involved in apoptotic process peptidase activator activity peptidase activity peptidase inhibitor activity peptide alpha-N-acetyltransferase activity peptide antigen binding peptide antigen-transporting ATPase activity peptide binding peptide disulfide oxidoreductase activity peptide hormone binding peptide hormone receptor binding peptide receptor activity peptide transmembrane transporter activity peptide_proton symporter activity peptide-lysine-N-acetyltransferase activity peptide-methionine (R)-S-oxide reductase activity peptide-transporting ATPase activity peptidoglycan binding peptidoglycan receptor activity peptidyl-prolyl cis-trans isomerase activity peptidyltransferase activity peroxidase activity peroxiredoxin activity peroxisome proliferator activated receptor binding PH domain binding phenylalanine-tRNA ligase activity phenylpyruvate tautomerase activity pheromone binding pheromone receptor activity phosphatase activator activity phosphatase activity phosphatase binding phosphatase inhibitor activity phosphatase regulator activity phosphate ion binding phosphatidate cytidylyltransferase activity phosphatidate phosphatase activity phosphatidic acid binding phosphatidic acid transporter activity phosphatidylcholine binding phosphatidylcholine transporter activity phosphatidylcholine-sterol O-acyltransferase activator activity phosphatidylcholine-translocating ATPase activity phosphatidylethanolamine binding phosphatidylglycerol binding phosphatidylinositol 3-kinase activity phosphatidylinositol 3-kinase binding phosphatidylinositol 3-kinase regulator activity phosphatidylinositol 3-kinase regulatory subunit binding phosphatidylinositol binding phosphatidylinositol bisphosphate binding phosphatidylinositol N-acetylglucosaminyltransferase activity phosphatidylinositol phosphate 5-phosphatase activity phosphatidylinositol phosphate binding phosphatidylinositol phosphate kinase activity phosphatidylinositol phosphate phosphatase activity phosphatidylinositol phospholipase C activity phosphatidylinositol transporter activity phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase activity phosphatidylinositol-3,4,5-trisphosphate binding phosphatidylinositol-3,4-bisphosphate 5-kinase activity phosphatidylinositol-3,4-bisphosphate binding phosphatidylinositol-3,5-bisphosphate 3-phosphatase activity phosphatidylinositol-3,5-bisphosphate binding phosphatidylinositol-3-phosphatase activity phosphatidylinositol-3-phosphate binding phosphatidylinositol-4,5-bisphosphate 3-kinase activity phosphatidylinositol-4,5-bisphosphate 4-phosphatase activity phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity phosphatidylinositol-4,5-bisphosphate binding phosphatidylinositol-4-phosphate binding phosphatidylinositol-4-phosphate phosphatase activity phosphatidylinositol-5-phosphate binding phosphatidylserine 1-acylhydrolase activity phosphatidylserine binding phosphodiesterase I activity phosphoglucomutase activity phosphoglycerate mutase activity phospholipase A1 activity phospholipase A2 activity (consuming 1,2-dipalmitoylphosphatidylcholine) phospholipase A2 activity consuming 1,2-dioleoylphosphatidylethanolamine) phospholipase A2 activity phospholipase A2 inhibitor activity phospholipase activator activity phospholipase activity phospholipase binding phospholipase C activity phospholipase D activity phospholipase inhibitor activity phospholipid binding phospholipid scramblase activity phospholipid transporter activity phospholipid-translocating ATPase activity phosphoprotein binding phosphoprotein phosphatase activity phosphopyruvate hydratase activity phosphoric diester hydrolase activity phosphoric ester hydrolase activity phosphorus-oxygen lyase activity phosphorylase activity phosphorylase kinase activity phosphorylase kinase regulator activity phosphoserine residue binding phosphotransferase activity, alcohol group as acceptor phosphotransferase activity, for other substituted phosphate groups phosphotyrosine residue binding photoreceptor activity piRNA binding platelet-derived growth factor binding platelet-derived growth factor receptor binding poly(A) binding poly(A)-specific ribonuclease activity poly(G) binding poly(U) RNA binding polynucleotide adenylyltransferase activity polypeptide N-acetylgalactosaminyltransferase activity polysaccharide binding polysome binding polyubiquitin modification-dependent protein binding porin activity potassium channel activator activity potassium channel activity potassium channel inhibitor activity potassium channel regulator activity potassium ion binding potassium ion leak channel activity potassium_chloride symporter activity potassium_proton antiporter activity potassium-transporting ATPase activity P-P-bond-hydrolysis-driven protein transmembrane transporter activity pre-miRNA binding pre-mRNA 3'-splice site binding pre-mRNA binding pre-mRNA intronic binding prenyltransferase activity primary amine oxidase activity primary miRNA binding procollagen-proline 4-dioxygenase activity profilin binding proline-rich region binding promoter-specific chromatin binding prostaglandin E receptor activity prostaglandin receptor activity protease binding proteasome binding proteasome-activating ATPase activity protein ADP-ribosylase activity protein antigen binding protein binding involved in heterotypic cell-cell adhesion protein binding, bridging involved in substrate recognition for ubiquitination protein binding, bridging protein C-terminus binding protein deacetylase activity protein dimerization activity protein disulfide isomerase activity protein disulfide oxidoreductase activity protein domain specific binding protein folding chaperone protein heterodimerization activity protein homodimerization activity protein kinase A binding protein kinase A catalytic subunit binding protein kinase A regulatory subunit binding protein kinase activator activity protein kinase activity protein kinase B binding protein kinase binding protein kinase C activity protein kinase C binding protein kinase inhibitor activity protein kinase regulator activity protein membrane anchor protein methyltransferase activity protein N-terminus binding protein phosphatase 1 binding protein phosphatase 2A binding protein phosphatase 2B binding protein phosphatase activator activity protein phosphatase binding protein phosphatase inhibitor activity protein phosphatase regulator activity protein prenyltransferase activity protein self-association protein serine_threonine kinase activator activity protein serine_threonine kinase activity protein serine_threonine kinase inhibitor activity protein serine_threonine phosphatase activity protein serine_threonine phosphatase inhibitor activity protein serine_threonine_tyrosine kinase activity protein tag protein transmembrane transporter activity protein transporter activity protein tyrosine kinase activator activity protein tyrosine kinase activity protein tyrosine kinase binding protein tyrosine kinase collagen receptor activity protein tyrosine kinase inhibitor activity protein tyrosine phosphatase activity protein tyrosine_serine_threonine phosphatase activity protein tyrosine_threonine phosphatase activity protein xylosyltransferase activity protein-arginine deiminase activity protein-arginine N-methyltransferase activity protein-arginine omega-N asymmetric methyltransferase activity protein-arginine omega-N monomethyltransferase activity protein-arginine omega-N symmetric methyltransferase activity protein-containing complex binding protein-cysteine S-palmitoyltransferase activity protein-glutamine gamma-glutamyltransferase activity protein-hormone receptor activity protein-L-isoaspartate (D-aspartate) O-methyltransferase activity protein-lysine 6-oxidase activity protein-lysine N-methyltransferase activity proteoglycan binding proton channel activity proton transmembrane transporter activity proton-exporting ATPase activity, phosphorylative mechanism proton-transporting ATP synthase activity, rotational mechanism proton-transporting ATPase activity, rotational mechanism proximal promoter sequence-specific DNA binding pseudouridine synthase activity purine nucleotide binding purinergic nucleotide receptor activity purine-rich negative regulatory element binding pyridoxal phosphate binding pyrimidine nucleotide-sugar transmembrane transporter activity Pyrin domain binding pyrophosphatase activity pyrroline-5-carboxylate reductase activity pyruvate dehydrogenase (acetyl-transferring) kinase activity pyruvate dehydrogenase (NAD+) activity pyruvate transmembrane transporter activity quaternary ammonium group transmembrane transporter activity quinone binding Rab geranylgeranyltransferase activity Rab GTPase binding Rab guanyl-nucleotide exchange factor activity Rac GTPase binding Rac guanyl-nucleotide exchange factor activity racemase and epimerase activity, acting on carbohydrates and derivatives RAGE receptor binding Ral GTPase binding Ran GTPase binding Ran guanyl-nucleotide exchange factor activity Rap guanyl-nucleotide exchange factor activity Ras GTPase binding Ras guanyl-nucleotide exchange factor activity rDNA binding receptor antagonist activity receptor ligand activity receptor serine_threonine kinase binding receptor signaling complex adaptor activity receptor signaling protein tyrosine kinase activator activity receptor tyrosine kinase binding receptor-receptor interaction repressing transcription factor binding retinal binding retinal dehydrogenase activity retinoic acid 4-hydroxylase activity retinoic acid binding retinoic acid receptor binding retinoic acid-responsive element binding retinoid binding retinoid X receptor binding retinol binding retinol dehydrogenase activity retinol O-fatty-acyltransferase activity retromer complex binding Rho GTPase binding Rho guanyl-nucleotide exchange factor activity rhodopsin kinase activity riboflavin transmembrane transporter activity ribonuclease activity ribonuclease III activity ribonuclease P activity ribonuclease P RNA binding ribonucleoprotein complex binding ribose phosphate diphosphokinase activity ribosomal large subunit binding ribosomal protein S6 kinase activity ribosomal small subunit binding ribosome binding RING-like zinc finger domain binding RNA 7-methylguanosine cap binding RNA adenylyltransferase activity RNA binding RNA cap binding RNA helicase activity RNA methyltransferase activity RNA polymerase binding RNA polymerase I activity RNA polymerase I core binding RNA polymerase I CORE element sequence-specific DNA binding RNA polymerase II activating transcription factor binding RNA polymerase II activity RNA polymerase II complex binding RNA polymerase II core promoter sequence-specific DNA binding RNA polymerase II CTD heptapeptide repeat kinase activity RNA polymerase II CTD heptapeptide repeat phosphatase activity RNA polymerase II C-terminal domain binding RNA polymerase II distal enhancer sequence-specific DNA binding RNA polymerase II general transcription initiation factor activity RNA polymerase II intronic transcription regulatory region sequence-specific DNA binding RNA polymerase II proximal promoter sequence-specific DNA binding RNA polymerase II regulatory region DNA binding RNA polymerase II regulatory region sequence-specific DNA binding RNA polymerase II repressing transcription factor binding RNA polymerase II transcription factor binding RNA polymerase III activity RNA polymerase III general transcription initiation factor activity RNA polymerase III regulatory region DNA binding RNA polymerase III type 3 promoter DNA binding RNA polymerase II-specific DNA-binding transcription factor binding RNA pyrophosphohydrolase activity RNA stem-loop binding RNA strand annealing activity RNA uridylyltransferase activity RNA-dependent ATPase activity RNA-DNA hybrid ribonuclease activity Roundabout binding rRNA (adenine-N6,N6-)-dimethyltransferase activity rRNA binding rRNA methyltransferase activity RS domain binding R-SMAD binding ryanodine-sensitive calcium-release channel activity S100 protein binding S-adenosyl-L-methionine binding S-adenosylmethionine-dependent methyltransferase activity satellite DNA binding scaffold protein binding scavenger receptor activity scavenger receptor binding second spliceosomal transesterification activity secondary active sulfate transmembrane transporter activity selenium binding selenocysteine insertion sequence binding semaphorin receptor activity semaphorin receptor binding sequence-specific DNA binding sequence-specific double-stranded DNA binding sequence-specific mRNA binding serine binding serine C-palmitoyltransferase activity serine hydrolase activity serine-tRNA ligase activity serine-type carboxypeptidase activity serine-type endopeptidase activity serine-type endopeptidase inhibitor activity serine-type peptidase activity serotonin binding serotonin-gated cation-selective channel activity SH2 domain binding SH3 domain binding SH3_SH2 adaptor activity sialic acid binding sialic acid transmembrane transporter activity sialyltransferase activity signal recognition particle binding signal sequence binding signaling adaptor activity signaling pattern recognition receptor activity signaling receptor activity signaling receptor binding single-stranded DNA 3'-5' exodeoxyribonuclease activity single-stranded DNA binding single-stranded DNA endodeoxyribonuclease activity single-stranded DNA-dependent ATPase activity single-stranded DNA-dependent ATP-dependent DNA helicase activity single-stranded RNA binding single-stranded telomeric DNA binding siRNA binding SMAD binding small conductance calcium-activated potassium channel activity small GTPase binding small molecule binding small protein activating enzyme binding small ribosomal subunit rRNA binding sn-1-glycerol-3-phosphate C16_0-DCA-CoA acyl transferase activity SNAP receptor activity SNARE binding snoRNA binding snRNA binding sodium channel activity sodium channel inhibitor activity sodium channel regulator activity sodium ion binding sodium ion transmembrane transporter activity sodium_bicarbonate symporter activity sodium_dicarboxylate symporter activity sodium_phosphate symporter activity sodium_potassium-exchanging ATPase activity sodium_proton antiporter activity sodium-dependent phosphate transmembrane transporter activity sodium-independent organic anion transmembrane transporter activity solute_proton antiporter activity somatostatin receptor activity spectrin binding sphinganine-1-phosphate aldolase activity sphingolipid binding sphingomyelin phosphodiesterase activity sphingosine N-acyltransferase activity sphingosine-1-phosphate phosphatase activity sphingosine-1-phosphate receptor activity STAT family protein binding stem cell factor receptor binding steroid 21-monooxygenase activity steroid binding steroid dehydrogenase activity steroid delta-isomerase activity steroid hormone binding steroid hormone receptor activity steroid hydroxylase activity steroid sulfotransferase activity sterol binding sterol esterase activity sterol transporter activity store-operated calcium channel activity structural constituent of cytoskeleton structural constituent of epidermis structural constituent of eye lens structural constituent of muscle structural constituent of myelin sheath structural constituent of nuclear pore structural constituent of postsynaptic density structural constituent of presynaptic active zone structural constituent of ribosome structural constituent of tooth enamel structural molecule activity succinate dehydrogenase (ubiquinone) activity succinate transmembrane transporter activity sucrose_proton symporter activity sulfate binding sulfate transmembrane transporter activity sulfotransferase activity sulfuric ester hydrolase activity sulfurtransferase activity SUMO binding SUMO ligase activity SUMO polymer binding SUMO transferase activity supercoiled DNA binding superoxide dismutase activity superoxide-generating NADPH oxidase activator activity superoxide-generating NADPH oxidase activity symporter activity syndecan binding syntaxin binding syntaxin-1 binding T cell receptor binding TAP binding TAP complex binding TAP1 binding TAP2 binding tapasin binding taste receptor activity Tat protein binding tau protein binding tau-protein kinase activity TBP-class protein binding telethonin binding telomerase activity telomerase inhibitor activity telomerase RNA binding telomeric D-loop binding telomeric DNA binding testosterone dehydrogenase (NAD+) activity tetrahydrobiopterin binding TFIID-class transcription factor complex binding TFIIH-class transcription factor complex binding TFIIIC-class transcription factor complex binding thiamine pyrophosphate binding thiamine pyrophosphate transmembrane transporter activity thiamine transmembrane transporter activity thioesterase binding thiol oxidase activity thiol-dependent ubiquitin-specific protease activity thiol-dependent ubiquitinyl hydrolase activity thiolester hydrolase activity thioredoxin peroxidase activity thioredoxin-disulfide reductase activity thiosulfate transmembrane transporter activity threonine-type endopeptidase activity thrombin-activated receptor activity thrombospondin receptor activity thyroid hormone binding thyroid hormone receptor binding thyroid hormone receptor coactivator activity thyroid hormone transmembrane transporter activity titin binding Toll-like receptor 4 binding Toll-like receptor binding toxic substance binding toxin transmembrane transporter activity TPR domain binding trace-amine receptor activity TRAIL binding trans-1,2-dihydrobenzene-1,2-diol dehydrogenase activity trans-2-enoyl-CoA reductase (NADPH) activity transaminase activity transcription coactivator activity transcription coactivator binding transcription cofactor binding transcription coregulator activity transcription corepressor activity transcription corepressor binding transcription factor binding transcription regulator activity transcription regulatory region DNA binding transcription regulatory region sequence-specific DNA binding transferase activity, transferring acyl groups other than amino-acyl groups transferase activity, transferring acyl groups transferase activity, transferring alkyl or aryl (other than methyl) groups transferase activity, transferring glycosyl groups transferase activity, transferring hexosyl groups transferase activity, transferring pentosyl groups transferase activity, transferring phosphorus-containing groups transferase activity transferrin receptor binding transforming growth factor beta binding transforming growth factor beta receptor activity, type I transforming growth factor beta receptor activity, type II transforming growth factor beta receptor binding transforming growth factor beta receptor, pathway-specific cytoplasmic mediator activity transforming growth factor beta-activated receptor activity transition metal ion binding translation activator activity translation elongation factor activity translation factor activity, RNA binding translation initiation factor activity translation initiation factor binding translation regulator activity translation release factor activity translation repressor activity, mRNA regulatory element binding translation repressor activity transmembrane receptor protein serine_threonine kinase activity transmembrane receptor protein tyrosine kinase activator activity transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase adaptor activity transmembrane receptor protein tyrosine phosphatase activity transmembrane signaling receptor activity transmembrane transporter activity transmembrane-ephrin receptor activity transmitter-gated ion channel activity involved in regulation of postsynaptic membrane potential transmitter-gated ion channel activity transporter activity triglyceride lipase activity tRNA (adenine-N1-)-methyltransferase activity tRNA (cytosine-5-)-methyltransferase activity tRNA (guanine-N1-)-methyltransferase activity tRNA binding tRNA dihydrouridine synthase activity tRNA methyltransferase activity tRNA pseudouridine synthase activity tRNA-intron endonuclease activity tRNA-specific adenosine deaminase activity tropomyosin binding troponin I binding troponin T binding tryptophan 2,3-dioxygenase activity tubulin binding tubulin N-acetyltransferase activity tumor necrosis factor receptor binding tumor necrosis factor receptor superfamily binding tumor necrosis factor-activated receptor activity type 1 angiotensin receptor binding type 1 fibroblast growth factor receptor binding type 3 melanocortin receptor binding type 4 melanocortin receptor binding type 5 metabotropic glutamate receptor binding type I interferon receptor binding type I transforming growth factor beta receptor binding type II transforming growth factor beta receptor binding U1 snRNA binding U1 snRNP binding U2 snRNA binding U3 snoRNA binding U4 snRNA binding U4atac snRNA binding U6 snRNA binding U7 snRNA binding ubiquinol-cytochrome-c reductase activity ubiquinone binding ubiquitin activating enzyme activity ubiquitin binding ubiquitin conjugating enzyme activity ubiquitin conjugating enzyme binding ubiquitin ligase inhibitor activity ubiquitin protein ligase activity ubiquitin protein ligase binding ubiquitin-dependent protein binding ubiquitin-like modifier activating enzyme activity ubiquitin-like protein binding ubiquitin-like protein conjugating enzyme binding ubiquitin-like protein ligase binding ubiquitin-like protein transferase activity ubiquitin-protein transferase activator activity ubiquitin-protein transferase activity ubiquitin-specific protease binding ubiquitin-ubiquitin ligase activity ubiquitinyl hydrolase activity UDP-galactose_beta-N-acetylglucosamine beta-1,3-galactosyltransferase activity UDP-glycosyltransferase activity UDP-N-acetylglucosamine transmembrane transporter activity UDP-xylosyltransferase activity unfolded protein binding uracil DNA N-glycosylase activity urea channel activity urea transmembrane transporter activity uridine kinase activity uridine-diphosphatase activity uridylyltransferase activity valine-tRNA ligase activity vascular endothelial growth factor binding vascular endothelial growth factor receptor 2 binding vascular endothelial growth factor receptor binding vascular endothelial growth factor-activated receptor activity vasopressin receptor activity very long-chain fatty acid-CoA ligase activity very-long-chain 3-hydroxyacyl-CoA dehydratase activity very-long-chain 3-ketoacyl-CoA synthase activity very-low-density lipoprotein particle receptor activity very-low-density lipoprotein particle receptor binding vinculin binding virion binding virus receptor activity vitamin D binding vitamin D receptor binding vitamin transmembrane transporter activity voltage-gated anion channel activity voltage-gated calcium channel activity involved in AV node cell action potential voltage-gated calcium channel activity involved in cardiac muscle cell action potential voltage-gated calcium channel activity involved in positive regulation of presynaptic cytosolic calcium levels voltage-gated calcium channel activity involved in regulation of presynaptic cytosolic calcium levels voltage-gated calcium channel activity voltage-gated chloride channel activity voltage-gated ion channel activity voltage-gated potassium channel activity involved in atrial cardiac muscle cell action potential repolarization voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization voltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarization voltage-gated potassium channel activity voltage-gated sodium channel activity involved in cardiac muscle cell action potential voltage-gated sodium channel activity volume-sensitive anion channel activity volume-sensitive chloride channel activity water channel activity water transmembrane transporter activity WD40-repeat domain binding wide pore channel activity Wnt-activated receptor activity Wnt-protein binding WW domain binding xenobiotic transmembrane transporter activity Y-form DNA binding zinc ion binding zinc ion transmembrane transporter activity