label: sn-glycero-3-phospho-L-serine + 2 a carboxylate + 2 H(+) => a 1,2-diacyl-sn-glycero-3-phospho-L-serine + 2 H2O
label_lc: sn-glycero-3-phospho-l-serine + 2 a carboxylate + 2 h(+) => a 1,2-diacyl-sn-glycero-3-phospho-l-serine + 2 h2o