label: a 1-O-alkyl-sn-glycero-3-phosphate + a fatty acid + H(+) => 1-O-alkyl-2-acyl-sn-glycero-3-phosphate + H2O
label_lc: a 1-o-alkyl-sn-glycero-3-phosphate + a fatty acid + h(+) => 1-o-alkyl-2-acyl-sn-glycero-3-phosphate + h2o