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