label: a 1,2-diacyl-sn-glycero-3-phospho-L-serine(out) + ATP + H2O <=> a 1,2-diacyl-sn-glycero-3-phospho-L-serine(in) + ADP + phosphate + H(+)
label_lc: a 1,2-diacyl-sn-glycero-3-phospho-l-serine(out) + atp + h2o <=> a 1,2-diacyl-sn-glycero-3-phospho-l-serine(in) + adp + phosphate + h(+)