Target type: molecularfunction
Catalysis of the reactions: nucleoside 3',5'-cyclic GMP + H2O = GMP + H+; this activity is activated by binding to calcium-bound calmodulin. [GOC:jid]
Calmodulin-activated 3',5'-cyclic-GMP phosphodiesterase activity is a molecular function that describes the enzymatic hydrolysis of cyclic GMP (cGMP) to 5'-GMP, which is catalyzed by a specific phosphodiesterase enzyme. This process is regulated by the calcium-binding protein calmodulin. The enzyme is activated by binding to calmodulin, which itself is activated by the presence of calcium ions. This activation mechanism is critical for controlling cGMP levels in cells, thereby influencing various signaling pathways.
The enzyme, upon binding to calmodulin, undergoes a conformational change that allows it to access and hydrolyze cGMP. This hydrolysis reduces the intracellular concentration of cGMP, a second messenger involved in a variety of cellular processes, including smooth muscle relaxation, neuronal signal transduction, and phototransduction.
In summary, calmodulin-activated 3',5'-cyclic-GMP phosphodiesterase activity is a crucial enzymatic process for regulating cGMP levels in cells. Its activation by calmodulin allows for controlled breakdown of cGMP, ensuring proper cellular function and signaling.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1B | A dual specificity calcium/calmodulin-dependent 3,5-cyclic nucleotide phosphodiesterase 1B that is encoded in the genome of cow. [OMA:Q01061, PRO:DNx] | Bos taurus (cattle) |
| Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1A | [no definition available] | Bos taurus (cattle) |
| Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1C | A dual specificity calcium/calmodulin-dependent 3,5-cyclic nucleotide phosphodiesterase 1C that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q14123] | Homo sapiens (human) |
| Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1B | A dual specificity calcium/calmodulin-dependent 3,5-cyclic nucleotide phosphodiesterase 1B that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q01064] | Homo sapiens (human) |
| Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1A | A dual specificity calcium/calmodulin-dependent 3,5-cyclic nucleotide phosphodiesterase 1A that is encoded in the genome of human. [PRO:DNx, UniProtKB:P54750] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| putrescine | alkane-alpha,omega-diamine | antioxidant; fundamental metabolite | |
| spermidine | polyazaalkane; triamine | autophagy inducer; fundamental metabolite; geroprotector | |
| spermine | polyazaalkane; tetramine | antioxidant; fundamental metabolite; immunosuppressive agent | |
| my 5445 | MY 5445: potential platelet aggregation inhibitor | pyridazines; ring assembly | |
| theophylline | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent | |
| cilostamide | cilostamide: selective inhibitor of cyclic AMP phosphodiesterase & platelet aggregation; structure | quinolines | |
| cilostazol | lactam; tetrazoles | anticoagulant; bronchodilator agent; EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor; fibrin modulating drug; neuroprotective agent; platelet aggregation inhibitor; vasodilator agent | |
| dipyridamole | dipyridamole : A pyrimidopyrimidine that is 2,2',2'',2'''-(pyrimido[5,4-d]pyrimidine-2,6-diyldinitrilo)tetraethanol substituted by piperidin-1-yl groups at positions 4 and 8 respectively. A vasodilator agent, it inhibits the formation of blood clots. Dipyridamole: A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752) | piperidines; pyrimidopyrimidine; tertiary amino compound; tetrol | adenosine phosphodiesterase inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor; platelet aggregation inhibitor; vasodilator agent |
| etazolate | etazolate : A pyrazolopyridine that is 1H-pyrazolo[3,4-b]pyridine which is substituted at positions 1, 4, and 5 by ethyl, 2-isopropylidenehydrazino, and ethoxycarbonyl groups, respectively. A phosphodiesterase IV inhibitor with antidepressant and anxiolytic properties. Etazolate: A potent phosphodiesterase inhibitor proposed as an antipsychotic agent. | ethyl ester; hydrazone; pyrazolopyridine | alpha-secretase activator; antidepressant; antipsychotic agent; anxiolytic drug; GABA agent; neuroprotective agent; phosphodiesterase IV inhibitor |
| amrinone | amrinone : A 3,4'-bipyridine substituted at positions 5 and 6 by an amino group and a keto function respectively. A pyridine phosphodiesterase 3 inhibitor, it is a drug that may improve the prognosis in patients with congestive heart failure. Amrinone: A positive inotropic cardiotonic (CARDIOTONIC AGENTS) with vasodilator properties, phosphodiesterase 3 inhibitory activity, and the ability to stimulate calcium ion influx into the cardiac cell. | bipyridines | EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
| 1-methyl-3-isobutylxanthine | 1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES 3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively. | 3-isobutyl-1-methylxanthine | |
| milrinone | bipyridines; nitrile; pyridone | cardiotonic drug; EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor; platelet aggregation inhibitor; vasodilator agent | |
| nifedipine | Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
| nimodipine | nimodipine : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a (2-methoxyethoxy)carbonyl group at position 3, a m-nitrophenyl group at position 4, and an isopropoxycarbonyl group at position 5. An L-type calcium channel blocker, it acts particularly on cerebral circulation, and is used both orally and intravenously for the prevention and treatment of subarachnoid hemorrhage from ruptured intracranial aneurysm. Nimodipine: A calcium channel blockader with preferential cerebrovascular activity. It has marked cerebrovascular dilating effects and lowers blood pressure. | 2-methoxyethyl ester; C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; isopropyl ester | antihypertensive agent; calcium channel blocker; cardiovascular drug; vasodilator agent |
| nitrendipine | nitrendipine : A dihydropyridine that is 1,4-dihydropyridine substituted by methyl groups at positions 2 and 6, a 3-nitrophenyl group at position 4, a ethoxycarbonyl group at position 3 and a methoxycarbonyl group at position 5. It is a calcium-channel blocker used in the treatment of hypertension. Nitrendipine: A calcium channel blocker with marked vasodilator action. It is an effective antihypertensive agent and differs from other calcium channel blockers in that it does not reduce glomerular filtration rate and is mildly natriuretic, rather than sodium retentive. | C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; ethyl ester; methyl ester | antihypertensive agent; calcium channel blocker; geroprotector; vasodilator agent |
| papaverine | papaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum. Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels. | benzylisoquinoline alkaloid; dimethoxybenzene; isoquinolines | antispasmodic drug; vasodilator agent |
| 4-(3-butoxy-4-methoxybenzyl)-2-imidazolidinone | 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone: Inhibitor of phosphodiesterases. | methoxybenzenes | |
| rolipram | pyrrolidin-2-ones | antidepressant; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor | |
| sulmazole | sulmazole : An imidazopyridine that is 1H-imidazo[4,5-b]pyridine which is substituted at position 2 by a 2-methoxy-4-(methylsulfinyl)phenyl group. An A1 adenosine receptor antagonist, it was formerly used as a cardiotonic agent. sulmazole: structure given in first source | imidazopyridine; sulfoxide | adenosine A1 receptor antagonist; cardiotonic drug; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
| zardaverine | zardaverine : A pyridazinone derivative in which pyridazin-3(2H)-one is substituted at C-6 with a 4-(difluoromethoxy)-3-methoxyphenyl group. It is a phosphodiesterase inhibitor, selective for PDE3 and 4. zardaverine: structure given in first source | organofluorine compound; pyridazinone | anti-asthmatic drug; bronchodilator agent; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; peripheral nervous system drug |
| eg 626 | phthalazinol: RN given refers to parent cpd; do not confuse with phthalazinol: 62054-23-3; thromboxane A2 antagonist | phthalazines | |
| enoximone | Enoximone: A selective phosphodiesterase inhibitor with vasodilating and positive inotropic activity that does not cause changes in myocardial oxygen consumption. It is used in patients with CONGESTIVE HEART FAILURE. | aromatic ketone | |
| imazodan | imazodan: RN & structure given in first source; | ||
| ablukast | |||
| bufrolin | bufrolin: inhibits the release of histamine; proposed for treatment of hay fever, asthma and skin allergies; minor descriptor (79-86); on line & INDEX MEDICUS search PHENANTHROLINES (79-86); RN given refers to parent cpd | ||
| fpl 55712 | FPL 55712: inhibitor of SRS-A and LTC4 and LTD4 receptors | aromatic ketone | |
| tadalafil | benzodioxoles; pyrazinopyridoindole | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor; vasodilator agent | |
| 4-phenylpyrrolidone-2 | |||
| 6-bromo-8-methylaminoimidazo(1,2-a)pyrazine-2-carbonitrile | 6-bromo-8-methylaminoimidazo(1,2-a)pyrazine-2-carbonitrile: a smooth muscle relaxant that opens potassium channels | ||
| 9-(2-hydroxy-3-nonyl)adenine | (2R,3S)-EHNA : EHNA of absolute configuration 2R,3S. Selective inhibitor of cGMP-stimulated phosphodiesterase (PDE2) (IC50 = 0.8 - 4 mM). Also a potent inhibitor of adenosine deaminase. | EHNA | EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor |
| 9-(2-hydroxy-3-nonyl)adenine | (2S,3R)-EHNA : EHNA of absolute configuration 2S,3R. | EHNA | |
| cilomilast | methoxybenzenes | ||
| rp 73401 | piclamilast : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of 3-(cyclopentyloxy)-4-methoxybenzoic acid with the primary amino group of 3,5-dichloropyridin-4-amine. piclamilast: an antiasthmatic agent and phosphodiesterase 4 inhibitor; structure in first source | aromatic ether; benzamides; chloropyridine; monocarboxylic acid amide | anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; phosphodiesterase IV inhibitor |
| 8-methoxymethyl-3-isobutyl-1-methylxanthine | 8-methoxymethyl-3-isobutyl-1-methylxanthine: inhibitor of phosphodiesterase I | oxopurine | |
| o-(4-ethoxybutyl)berbamine | O-(4-ethoxybutyl)berbamine: structure given in first source; calmodulin antagonist | ||
| berbamine | bisbenzylisoquinoline alkaloid; isoquinolines | ||
| vinpocetine | vinpocetine: whole issue of Arzneim Forsch (23 articles) discuss this drug; Arzneim Forsch 26(10a);1976; RN given refers to parent cpd with unspecified isomeric designation | alkaloid | geroprotector |
| roflumilast | aromatic ether; benzamides; chloropyridine; cyclopropanes; organofluorine compound | anti-asthmatic drug; phosphodiesterase IV inhibitor | |
| 4,5-dihydro-6-(4-(imidazol-1-yl)phenyl)-5-methyl-3(2h)-pyridazinone | 4,5-dihydro-6-(4-(imidazol-1-yl)phenyl)-5-methyl-3(2H)-pyridazinone: RN & structure given in first source | ||
| idoxifene | idoxifene: structure given in first source | stilbenoid | |
| N-(1,3-benzodioxol-5-ylmethyl)-6-chloro-4-quinazolinamine | quinazolines | ||
| t 1032 | T 1032: a cyclic GMP phosphodiesterase-5 inhibitor; structure in first source | ||
| pf-2545920 | |||
| pf 04217903 | quinolines | ||
| an2728 | crisaborole : A member of the class of benzoxaboroles that is 5-hydroxy-1,3-dihydro-2,1-benzoxaborole in which the phenolic hydrogen has been replaced by a 4-cyanophenyl group. A phosphodiesterase 4 inhibitor that is used for treatment of mild to moderate atopic dermatitis in children and adults. crisaborole: NSAID, Dermatologic Agent; structure in first source | aromatic ether; benzoxaborole; nitrile | antipsoriatic; non-steroidal anti-inflammatory drug; phosphodiesterase IV inhibitor |
| sildenafil | sildenafil : A pyrazolo[4,3-d]pyrimidin-7-one having a methyl substituent at the 1-position, a propyl substituent at the 3-position and a 2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl group at the 5-position. | piperazines; pyrazolopyrimidine; sulfonamide | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor; vasodilator agent |
| zaprinast | zaprinast: anaphylaxis inhibitor; structure | triazolopyrimidines | |
| vardenafil | vardenafil : The sulfonamide resulting from formal condensation of the sulfo group of 4-ethoxy-3-(5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one-2-yl)benzenesulfonic acid and the secondary amino group of 4-ethylpiperazine. | imidazotriazine; N-alkylpiperazine; N-sulfonylpiperazine | EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; vasodilator agent |
| Imidazosagatriazinone | pyrazolopyrimidine | ||
| bay 73-6691 | BAY 73-6691: potent and selective inhibitor of phosphodiesterase 9; structure in first source | ||
| 6-((3s,4s)-4-methyl-1-(pyrimidin-2-ylmethyl)pyrrolidin-3-yl)-1-(tetrahydro-2h-pyran-4-yl)-1,5-dihydro-4h-pyrazolo(3,4-d)pyrimidin-4-one |