RHEA:15802
Reaction with net flow from left to right. help_outline | |
Enzymes help_outline | 344 proteins (UniProtKB) |
Reaction participants Show >> << Hide
- Name help_outline a 1,2-diacyl-sn-glycero-3-phosphocholine Identifier CHEBI:57643 Charge 0 Formula C10H18NO8PR2 SMILEShelp_outline [C@](COC(=O)*)(OC(=O)*)([H])COP(OCC[N+](C)(C)C)([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 257 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H2O Identifier CHEBI:15377 (Beilstein: 3587155; CAS: 7732-18-5) help_outline Charge 0 Formula H2O InChIKeyhelp_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILEShelp_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 5,139 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline a 1-acyl-sn-glycero-3-phosphocholine Identifier CHEBI:58168 Charge 0 Formula C9H19NO7PR SMILEShelp_outline C[N+](C)(C)CCOP([O-])(=O)OC[C@H](O)COC([*])=O 2D coordinates Mol file for the small molecule Search links Involved in 177 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline a fatty acid Identifier CHEBI:28868 Charge -1 Formula CO2R SMILEShelp_outline [O-]C([*])=O 2D coordinates Mol file for the small molecule Search links Involved in 1,214 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge +1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 7,811 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Links to other resources
RHEA:15801 | RHEA:15802 | RHEA:15803 | RHEA:15804 | |
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Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Citations
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Inherited human cPLA(2alpha) deficiency is associated with impaired eicosanoid biosynthesis, small intestinal ulceration, and platelet dysfunction.
Adler D.H., Cogan J.D., Phillips J.A., Schnetz-Boutaud N., Milne G.L., Iverson T., Stein J.A., Brenner D.A., Morrow J.D., Boutaud O., Oates J.A.
Cytosolic phospholipase A2alpha (cPLA2alpha) hydrolyzes arachidonic acid from cellular membrane phospholipids, thereby providing enzymatic substrates for the synthesis of eicosanoids, such as prostaglandins and leukotrienes. Considerable understanding of cPLA2alpha function has been derived from i ... >> More
Cytosolic phospholipase A2alpha (cPLA2alpha) hydrolyzes arachidonic acid from cellular membrane phospholipids, thereby providing enzymatic substrates for the synthesis of eicosanoids, such as prostaglandins and leukotrienes. Considerable understanding of cPLA2alpha function has been derived from investigations of the enzyme and from cPLA2alpha-null mice, but knowledge of discrete roles for this enzyme in humans is limited. We investigated a patient hypothesized to have an inherited prostanoid biosynthesis deficiency due to his multiple, complicated small intestinal ulcers despite no use of cyclooxygenase inhibitors. Levels of thromboxane B2 and 12-hydroxyeicosatetraenoic acid produced by platelets and leukotriene B4 released from calcium ionophore-activated blood were markedly reduced, indicating defective enzymatic release of the arachidonic acid substrate for the corresponding cyclooxygenase and lipoxygenases. Platelet aggregation and degranulation induced by adenosine diphosphate or collagen were diminished but were normal in response to arachidonic acid. Two heterozygous single base pair mutations and a known SNP were found in the coding regions of the patient's cPLA2alpha genes (p.[Ser111Pro]+[Arg485His; Lys651Arg]). The total PLA2 activity in sonicated platelets was diminished, and the urinary metabolites of prostacyclin, prostaglandin E2, prostaglandin D2, and thromboxane A2 were also reduced. These findings characterize what we believe is a novel inherited deficiency of cPLA2. << Less
J. Clin. Invest. 118:2121-2131(2008) [PubMed] [EuropePMC]
This publication is cited by 1 other entry.