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