a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 1,2-diacyl-sn-glycero-3-phosphate + choline + H(+)
a 1,2-diacyl-sn-glycero-3-phosphocholine + h2o = a 1,2-diacyl-sn-glycero-3-phosphate + choline + h(+)