a 1,2-diacyl-sn-glycero-3-phosphocholine + L-serine => a 1,2-diacyl-sn-glycero-3-phospho-L-serine + choline
a 1,2-diacyl-sn-glycero-3-phosphocholine + l-serine => a 1,2-diacyl-sn-glycero-3-phospho-l-serine + choline
a 1,2-diacyl-sn-glycero-3-phosphocholine + L-serine => a 1,2-diacyl-sn-glycero-3-phospho-L-serine + choline
a 1,2-diacyl-sn-glycero-3-phosphocholine + l-serine => a 1,2-diacyl-sn-glycero-3-phospho-l-serine + choline