The enzyme 1-alkyl-2-acetylglycerophosphocholine esterase (EC 3.1.1.47) catalyzes the reaction
- 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine + H2O 1-alkyl-sn-glycero-3-phosphocholine + acetate
| 1-alkyl-2-acetylglycerophosphocholine esterase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 3.1.1.47 | ||||||||
| CAS no. | 76901-00-3 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
The former is also known as platelet-activating factor. There are multiple enzymes with this function:
- Lipoprotein-associated phospholipase A2
- Platelet-activating factor acetylhydrolase 2, cytoplasmic
- Platelet-activating factor acetylhydrolase 1b: regulatory subunit 1, catalytic subunit 2, catalytic subunit 3
This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name of this enzyme class is 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine acetohydrolase. Other names in common use include 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine acetylhydrolase, and alkylacetyl-GPC:acetylhydrolase. This enzyme participates in ether lipid metabolism.
Structural studies
As of late 2007, 7 structures have been solved for this class of enzymes, with PDB accession codes 1BWP, 1BWQ, 1BWR, 1ES9, 1FXW, 1VYH, and 1WAB.
References
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