CDP-N,N-dimethylethanolamine + a 1,2-diacyl-sn-glycerol => a 1,2-diacyl-sn-glycero-3-phospho-N,N-dimethylethanolamine + CMP + H(+)
cdp-n,n-dimethylethanolamine + a 1,2-diacyl-sn-glycerol => a 1,2-diacyl-sn-glycero-3-phospho-n,n-dimethylethanolamine + cmp + h(+)