N-octadecanoyl-1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 2-hexadecanoyl-sn-glycero-3-phosphocholine + H(+) => 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine
n-octadecanoyl-1,2-di-(9z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 2-hexadecanoyl-sn-glycero-3-phosphocholine + h(+) => 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + 1,2-di-(9z-octadecenoyl)-sn-glycero-3-phosphoethanolamine