1-(9Z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 2-hexadecanoyl-sn-glycero-3-phosphocholine
1-(9z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphocholine + n-(acetyl)-sphing-4-enine = 1-(9z-octadecenoyl)-n-(acetyl)-sphing-4-enine + 2-hexadecanoyl-sn-glycero-3-phosphocholine
1-(9Z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 2-hexadecanoyl-sn-glycero-3-phosphocholine
1-(9z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphocholine + n-(acetyl)-sphing-4-enine = 1-(9z-octadecenoyl)-n-(acetyl)-sphing-4-enine + 2-hexadecanoyl-sn-glycero-3-phosphocholine