a 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine + CMP + H(+) => a 1-O-alkyl-2-acetyl-sn-glycerol + CDP-choline
a 1-o-alkyl-2-acetyl-sn-glycero-3-phosphocholine + cmp + h(+) => a 1-o-alkyl-2-acetyl-sn-glycerol + cdp-choline