The Enzyme Database

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EC 2.3.1.149     
Accepted name: platelet-activating factor acetyltransferase
Reaction: 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine + 1-organyl-2-lyso-sn-glycero-3-phospholipid = 1-alkyl-2-lyso-sn-glycero-3-phosphocholine + 1-organyl-2-acetyl-sn-glycero-3-phospholipid
Other name(s): PAF acetyltransferase
Systematic name: 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine:1-organyl-2-lyso-sn-glycero-3-phospholipid acetyltransferase
Comments: Catalyses the transfer of the acetyl group from 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine (platelet-activating factor) to the sn-2 position of lyso-glycerophospholipids containing ethanolamine, choline, serine, inositol or phosphate groups at the sn-3 position as well as to sphingosine and long-chain fatty alcohols. The organyl group can be alkyl, acyl or alk-1-enyl (sometimes also collectively referred to as ’radyl’).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9012-30-0
References:
1.  Lee, T.C., Uemura, Y., Snyder, F. A novel CoA-independent transacetylase produces the ethanolamine plasmalogen and acyl analogs of platelet-activating factor (PAF) with PAF as the acetate donor in HL-60 cells. J. Biol. Chem. 267 (1992) 19992–20001. [PMID: 1400315]
[EC 2.3.1.149 created 1999]
 
 


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