acetyltransferase activity platelet-activating factor acetyltransferase activity https://github.com/geneontology/go-ontology/issues/30193 RHEA:11048 EC:2.3.1.149 GO:0047179 MetaCyc:2.3.1.149-RXN RHEA:41396 1-alkyl-2-acyl-sn-glycero-3-phosphocholine:1-organyl-2-lyso-sn-glycero-3-phospholipid acetyltransferase activity PAF acetyltransferase activity Catalysis of the reaction: 1-radyl-2-acyl-sn-glycero-3-phospholipid + 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine = 1-alkyl-2-lyso-sn-glycero-3-phosphocholine + 1-radyl-2-acetyl-sn-glycero-3-phospholipid. molecular_function