Target type: molecularfunction
Binding to a protein or protein complex in the presence of calcium. [GOC:jid, PMID:10485905]
Calcium-dependent protein binding is a molecular function that describes the interaction between proteins and calcium ions. Calcium ions (Ca2+) play a crucial role in a wide range of cellular processes, acting as a universal second messenger. This interaction involves the binding of calcium ions to specific protein domains, often referred to as calcium-binding motifs. These motifs can be diverse in structure and include EF-hand motifs, C2 domains, and others. When calcium ions bind to these motifs, they induce conformational changes in the protein, altering its activity. This change in protein conformation can lead to various downstream effects, such as:
- **Activation or inhibition of enzymatic activity:** Calcium binding can activate or inhibit the activity of enzymes, allowing for precise control over cellular processes.
- **Regulation of protein-protein interactions:** Calcium binding can promote or disrupt interactions between different proteins, influencing protein complex formation and signaling pathways.
- **Modulation of protein localization:** Calcium binding can trigger the movement of proteins within the cell, relocating them to specific locations where they are needed.
- **Altering protein stability:** Calcium binding can influence the stability and folding of proteins, contributing to their proper function and preventing aggregation.
The diversity of calcium-binding motifs and their location within proteins allows for a wide range of cellular responses to calcium signaling. Calcium-dependent protein binding is essential for processes such as muscle contraction, neurotransmission, cell growth, and apoptosis. Dysregulation of calcium binding can lead to various diseases, highlighting its critical role in maintaining cellular homeostasis.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Protein S100-A10 | A protein S100-A10 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P60903] | Homo sapiens (human) |
| Protein S100-A4 | A protein S100-A4 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P26447] | Homo sapiens (human) |
| C-type lectin domain family 4 member M | A C-type lectin domain family 4 member M that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q9H2X3] | Homo sapiens (human) |
| Sodium/potassium/calcium exchanger 4 | A sodium/potassium/calcium exchanger 4 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q8NFF2] | Homo sapiens (human) |
| Nitric oxide synthase, brain | A nitric oxide synthase 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P29475] | Homo sapiens (human) |
| Sodium/hydrogen exchanger 1 | A sodium/hydrogen exchanger 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P19634] | Homo sapiens (human) |
| P-selectin | A P-selectin that is encoded in the genome of human. [PRO:WCB, UniProtKB:P16109] | Homo sapiens (human) |
| Calmodulin-1 | A calmodulin (human) that is a translation product of the CALM1 gene. [PRO:DAN, UniProtKB:P0DP23] | Homo sapiens (human) |
| Annexin A2 | An annexin A2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P07355] | Homo sapiens (human) |
| Protein S100-B | A protein S100-B that is encoded in the genome of human. [PRO:DNx, UniProtKB:P04271] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| gallic acid | gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | trihydroxybenzoic acid | antineoplastic agent; antioxidant; apoptosis inducer; astringent; cyclooxygenase 2 inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; geroprotector; human xenobiotic metabolite; plant metabolite |
| imidazole | 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1. imidazole: RN given refers to parent cpd | imidazole | |
| s,s'-1,4-phenylene-bis(1,2-ethanediyl)bis-isothiourea | S,S'-1,4-phenylene-bis(1,2-ethanediyl)bis-isothiourea: structure in first source | ||
| n-(3-(aminomethyl)benzyl)acetamidine | N-(3-(aminomethyl)benzyl)acetamidine: structure in first source N-[3-(aminomethyl)benzyl]acetamidine : An aralkylamine that is Nbenzylacetamidine substituted at position 3 on the benzene ring by an aminomethyl group. An inhibitor of nitric oxide synthase. | aralkylamine; carboxamidine; primary amino compound | angiogenesis inhibitor; EC 1.14.13.39 (nitric oxide synthase) inhibitor; geroprotector |
| 2-amino-4-picoline | 2-amino-4-picoline: RN given refers to parent cpd | ||
| 3-bromo-7-nitroindazole | |||
| ethylisopropylamiloride | ethylisopropylamiloride : A member of the class of pyrazines that is amiloride in which the amino substitutent of the pyrazine ring that is adjacent to the chloro substituent has been substituted by an ethyl group and by an isopropyl group. ethylisopropylamiloride: structure in first source | aromatic amine; guanidines; monocarboxylic acid amide; organochlorine compound; pyrazines; tertiary amino compound | anti-arrhythmia drug; neuroprotective agent; sodium channel blocker |
| 7-nitroindazole | 7-nitroindazole: an inhibitor of nitric oxide synthase; exhibits anti-nociceptive activity without increasing blood pressure | ||
| beta-aminoethyl isothiourea | beta-Aminoethyl Isothiourea: A radiation-protective agent that can inhibit DNA damage by binding to the DNA. It also increases the susceptibility of blood cells to complement-mediated lysis. | ||
| pimagedine | aminoguanidine : A one-carbon compound whose unique structure renders it capable of acting as a derivative of hydrazine, guanidine or formamide. pimagedine: diamine oxidase & nitric oxide synthase inhibitor; an advanced glycosylation end product inhibitor; used in the treatment of diabetic complications; structure | guanidines; one-carbon compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor; EC 1.4.3.4 (monoamine oxidase) inhibitor |
| 2-aminothiazole | 1,3-thiazol-2-amine : A primary amino compound that is 1,3-thiazole substituted by an amino group at position 2. 2-aminothiazole: RN given refers to parent cpd; structure | 1,3-thiazoles; primary amino compound | |
| chlorpromazine | chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup. | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
| 2-(2-hydroxyethylsulfanyl)-3-methyl-1,4-naphthoquinone | |||
| s-ethyl n-(4-(trifluoromethyl)phenyl)isothiourea | S-ethyl N-(4-(trifluoromethyl)phenyl)isothiourea: structure in first source | ||
| pentamidine | pentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease. Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects. | aromatic ether; carboxamidine; diether | anti-inflammatory agent; antifungal agent; calmodulin antagonist; chemokine receptor 5 antagonist; EC 2.3.1.48 (histone acetyltransferase) inhibitor; NMDA receptor antagonist; S100 calcium-binding protein B inhibitor; trypanocidal drug; xenobiotic |
| potassium chloride | potassium chloride : A metal chloride salt with a K(+) counterion. Potassium Chloride: A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA. | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
| promethazine | promethazine : A tertiary amine that is a substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropan-2-amine moiety. Promethazine: A phenothiazine derivative with histamine H1-blocking, antimuscarinic, and sedative properties. It is used as an antiallergic, in pruritus, for motion sickness and sedation, and also in animals. | phenothiazines; tertiary amine | anti-allergic agent; anticoronaviral agent; antiemetic; antipruritic drug; H1-receptor antagonist; local anaesthetic; sedative |
| etiron | etiron: a nitric oxide synthase inhibitor; RN given refers to parent cpd; structure | ||
| s-methylisothiopseudouronium | S-methylisothiopseudouronium: inhibits nitric oxide synthase; structure in first source | ||
| trifluoperazine | N-alkylpiperazine; N-methylpiperazine; organofluorine compound; phenothiazines | antiemetic; calmodulin antagonist; dopaminergic antagonist; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor; phenothiazine antipsychotic drug | |
| arginine | arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. Arginine: An essential amino acid that is physiologically active in the L-form. | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
| 9,10-phenanthrenequinone | 9,10-phenanthrenequinone: structure | phenanthrenes | |
| benzotriazole | benzotriazole : The simplest member of the class of benzotriazoles that consists of a benzene nucleus fused to a 1H-1,2,3-triazole ring. benzotriazole: inhibitor of atmospheric metal corrosion; also component of motion picture film & Neva brake fluid | benzotriazoles | environmental contaminant; xenobiotic |
| diphenylmethane | diphenylmethane : A diarylmethane that is methane substituted by two phenyl groups. | diarylmethane | |
| indazoles | Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES. | indazole | |
| citrulline | citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | amino acid zwitterion; citrulline | Daphnia magna metabolite; EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; protective agent; Saccharomyces cerevisiae metabolite |
| oxycinchophen | quinolines | ||
| alpha-aminopyridine | alpha-aminopyridine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #485 aminopyridine : Compounds containing a pyridine skeleton substituted by one or more amine groups. | ||
| hesperidin | hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. Hesperidin: A flavanone glycoside found in CITRUS fruit peels. | 3'-hydroxyflavanones; 4'-methoxyflavanones; dihydroxyflavanone; disaccharide derivative; flavanone glycoside; monomethoxyflavanone; rutinoside | mutagen |
| flavone | flavone : The simplest member of the class of flavones that consists of 4H-chromen-4-one bearing a phenyl substituent at position 2. flavone: RN given refers to unlabeled cpd; structure given in first source | flavones | metabolite; nematicide |
| 3-hydroxyflavone | 3-hydroxyflavone: structure given in first source flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | flavonols; monohydroxyflavone | |
| 2,3,4-Trihydroxybenzoic acid | hydroxybenzoic acid | ||
| 2-amino-3-methylpyridine | 2-amino-3-methylpyridine: structure in first source | ||
| 2-aminothiazoline | 2-aminothiazoline: RN given refers to parent cpd; structure in first source & in Negwer, 5th ed, #97 4,5-dihydro-1,3-thiazol-2-amine : A 1,3-thiazole that is 4,5-dihydro-1,3-thiazole substituted by an amino group at position 2. | 1,3-thiazoles; primary amino compound | |
| amiloride | amiloride : A member of the class of pyrazines resulting from the formal monoacylation of guanidine with the carboxy group of 3,5-diamino-6-chloropyrazine-2-carboxylic acid. Amiloride: A pyrazine compound inhibiting SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. This inhibition creates a negative potential in the luminal membranes of principal cells, located in the distal convoluted tubule and collecting duct. Negative potential reduces secretion of potassium and hydrogen ions. Amiloride is used in conjunction with DIURETICS to spare POTASSIUM loss. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p705) | aromatic amine; guanidines; organochlorine compound; pyrazines | diuretic; sodium channel blocker |
| 5-nitroindazole | |||
| 6-nitroindazole | |||
| ng-nitroarginine methyl ester | NG-Nitroarginine Methyl Ester: A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension. | alpha-amino acid ester; L-arginine derivative; methyl ester; N-nitro compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
| n-(4-nitrophenacyl)imidazole | N-(4-nitrophenacyl)imidazole: structure in first source | ||
| 3-methyl-n,n-diethyl-p-phenylenediamine | 3-methyl-N,N-diethyl-p-phenylenediamine: RN given refers to parent cpd; structure | ||
| amiloride hydrochloride | amiloride hydrochloride dihydrate : A hydrate that is the dihydrate of amiloride hydrochloride. | hydrate | diuretic; sodium channel blocker |
| 6-hydroxyflavone | 6-hydroxyflavone: antioxidant; structure in first source | hydroxyflavonoid | |
| 1-aminoisoquinoline | |||
| 6-aminoindazole | 6-aminoindazole: depresses gastric acid secretion; structure given in first source | indazoles | |
| 1-phenylimidazole | 1-phenylimidazole: ligand for cytochrome P-450 & inhibitor of microsomal oxidation | ||
| 3-indazolinone | 3-indazolinone: structure given in first source | ||
| 5-aminoindazole | |||
| 6,7-dichloroquinoline-5,8-dione | 6,7-dichloro-5,8-quinolinedione: structure in first source | ||
| 6-amino-7-chloro-5,8-dioxoquinoline | 6-amino-7-chloro-5,8-dioxoquinoline: quinone structure important in this cpd; structure | ||
| 3,5-dimethylpyrazole-1-carboxamidine | 3,5-dimethylpyrazole-1-carboxamidine: guanidinating reagent for proteins; RN given refers to parent cpd | ||
| methyl mannoside, (alpha-d)-isomer | methyl alpha-D-mannoside : A methyl mannoside having alpha-configuration at the anomeric centre. methylmannoside: RN given refers to (D)-isomer; see also record for 3-O-methylmannose | alpha-D-mannoside; methyl mannoside | |
| s-methylthiocitrulline | S-methyl-L-thiocitrulline : An L-arginine derivative in which the guanidino NH2 group of L-arginine is replaced by a methylsufanyl group. S-methylthiocitrulline: a nitric oxide synthase inhibitor; structure in first source | imidothiocarbamic ester; L-arginine derivative; L-ornithine derivative; non-proteinogenic L-alpha-amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor; neuroprotective agent |
| n(g)-iminoethylornithine | L-alpha-amino acid | ||
| n,n-dimethylarginine | N,N-dimethylarginine: asymmetric dimethylarginine; do not confuse with N,N'-dimethylarginine N(omega),N(omega)-dimethyl-L-arginine : A L-arginine derivative having two methyl groups both attached to the primary amino moiety of the guanidino group. | dimethylarginine; guanidines; L-arginine derivative; non-proteinogenic L-alpha-amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
| omega-n-methylarginine | N(omega)-methyl-L-arginine : A L-arginine derivative with a N(omega)-methyl substituent. omega-N-Methylarginine: A competitive inhibitor of nitric oxide synthetase. | amino acid zwitterion; arginine derivative; guanidines; L-arginine derivative; non-proteinogenic L-alpha-amino acid | |
| ng-nitroarginine methyl ester | N(gamma)-nitro-L-arginine methyl ester hydrochloride : A hydrochloride obtained by combining N(gamma)-nitro-L-arginine methyl ester with one equivalent of hydrochloric acid. | hydrochloride | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
| cariporide | cariporide: a selective sodium-hydrogen exchange subtype 1 inhibitor; structure in first source | ||
| sulfoquinovosyl dipalmitoyl glyceride | sulfoquinovosyl dipalmitoyl glyceride: P-selectin receptor inhibitor; isolated from the alga Dictyochloris fragrans; structure in first source | ||
| delta-n-methylarginine | N(5)-methyl-L-arginine : A non-proteinogenic L-alpha-amino acid that is L-arginine substituted by a methyl group at N(5)-position. | guanidines; L-arginine derivative; non-proteinogenic L-alpha-amino acid | |
| fixb protein, e coli | alpha-D-mannose : D-Mannopyranose having alpha-configuration at the anomeric centre. alpha-D-mannoside : Any mannoside in which the anomeric centre has alpha-configuration. muscarinic toxin 2: muscarinic agonists from Dendroaspis angusticeps; amino acid sequence given in first source | D-mannopyranose | epitope |
| 2-amino-5,6-dihydro-4h-1,3-thiazine | 2-amino-5,6-dihydro-4H-1,3-thiazine: RN given refers to parent cpd | ||
| 4-quinolone-3-carboxylic acid | 4-quinolone-3-carboxylic acid: structure in first source | ||
| nsc 95397 | 1,4-naphthoquinones | ||
| 2-amino-5-methylthiazole | 2-amino-5-methylthiazole: binds the W191G cavity of E coli cytochrome c peroxidase | ||
| nsc668394 | |||
| naringenin | (S)-naringenin : The (S)-enantiomer of naringenin. | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
| nitroarginine | N(gamma)-nitro-L-arginine : An L-arginine derivative that is L-arginine in which the terminal nitrogen of the guanidyl group is replaced by a nitro group. Nitroarginine: An inhibitor of nitric oxide synthetase which has been shown to prevent glutamate toxicity. Nitroarginine has been experimentally tested for its ability to prevent ammonia toxicity and ammonia-induced alterations in brain energy and ammonia metabolites. (Neurochem Res 1995:200(4):451-6) | guanidines; L-arginine derivative; N-nitro compound; non-proteinogenic L-alpha-amino acid | |
| vinyl-l-nio | |||
| arl 17477 | |||
| N-(3,4-dimethylphenyl)-2-[[5-[[(4,6-dimethyl-2-pyrimidinyl)thio]methyl]-4-(2-furanylmethyl)-1,2,4-triazol-3-yl]thio]acetamide | anilide | ||
| n(6)-(1-iminoethyl)lysine | N(6)-acetimidoyl-L-lysine : An L-lysine derivative that is L-lysine in which one of the hydrogens attached to N(6) is substituted by an acetimidoyl group | L-lysine derivative; non-proteinogenic L-alpha-amino acid | |
| pyrazole-1-carboxamidine | pyrazole-1-carboxamidine: structure given in first source | ||
| quercetin | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger | |
| chrysin | chrysin : A dihydroxyflavone in which the two hydroxy groups are located at positions 5 and 7. | 7-hydroxyflavonol; dihydroxyflavone | anti-inflammatory agent; antineoplastic agent; antioxidant; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; hepatoprotective agent; plant metabolite |
| 7-hydroxyflavone | 7-hydroxyflavone : A hydroxyflavonoid in which the flavone nucleus is substituted at position 7 by a hydroxy group. | hydroxyflavonoid | |
| eniporide | eniporide: inhibits NHE-1 isoform; structure in first source | ||
| zoniporide | zoniporide: inhibits sodium-hydrogen exchanger isoform-1 (NHE-1) | ||
| gw 274150 | |||
| bimosiamose | bimosiamose: a selectin inhibitor | ||
| sabiporide | sabiporide: a NHE-1 inhibitor and a cardioprotective agent; structure in first source | ||
| (5-(2-methoxy-5-chloro-5-phenyl)furan-2-ylcarbonyl)guanidine | (5-(2-methoxy-5-chloro-5-phenyl)furan-2-ylcarbonyl)guanidine: KR-32570 possesses potent cardioprotective effects in perfused rat hearts, and its effects may be mediated by inhibition of NHE-1, preservation of high-energy phosphates, and inhibition of lipid peroxidation | ||
| psi 697 | 2-(4-chlorobenzyl)-3-hydroxy-7,8,9,10-tetrahydrobenzo(H)quinoline-4-carboxylic acid: inhibitor of P selectin that decreases vein wall injury in a rat stenosis model of venous thrombosis | ||
| shamixanthone | shamixanthone : A pyranoxanthene that is 2,3-dihydropyrano[3,2-a]xanthen-12(1H)-one bearing hydroxy substituents at positions 1 and 11 as well as a prop-1-en-2-yl group at position 2, a methyl substituent at position 5 and a 3,3-dimethylallyl group at position 8. A secondary metabolite produced by Aspergillus nidulans. | cyclic ketone; phenols; pyranoxanthene | metabolite |
| galactocerebroside | galactocerebroside: a NITROGEN containing sphingolipid | ||
| 1-(4-(3-bromophenoxy)butyl)-1h-imidazole | 1-(4-(3-bromophenoxy)butyl)-1H-imidazole: structure in first source | ||
| sapropterin | (6R)-5,6,7,8-tetrahydrobiopterin : A 5,6,7,8-tetrahydrobiopterin in which the stereocentre at position 6 has R-configuration. sapropterin : A tetrahydropterin that is 2-amino-5,6,7,8-tetrahydropteridin-4(3H)-one in which a hydrogen at position 6 is substituted by a 1,2-dihydroxypropyl group (6R,1'R,2'S-enantiomer). sapropterin: RN given refers to parent cpd; co-factor required for catalytic activity of nitric oxide synthases | 5,6,7,8-tetrahydrobiopterin | coenzyme; cofactor; diagnostic agent; human metabolite |
| clozapine | clozapine : A benzodiazepine that is 5H-dibenzo[b,e][1,4]diazepine substituted by a chloro group at position 8 and a 4-methylpiperazin-1-yl group at position 11. It is a second generation antipsychotic used in the treatment of psychiatric disorders like schizophrenia. Clozapine: A tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent. | benzodiazepine; N-arylpiperazine; N-methylpiperazine; organochlorine compound | adrenergic antagonist; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; environmental contaminant; GABA antagonist; histamine antagonist; muscarinic antagonist; second generation antipsychotic; serotonergic antagonist; xenobiotic |
| 6-hydroxymethylpterin |