a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine + (24S)-hydroxycholesterol => (24S)-24-hydroxycholesterol ester + 1-hexadecanoyl-sn-glycero-3-phosphocholine
a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine + (24s)-hydroxycholesterol => (24s)-24-hydroxycholesterol ester + 1-hexadecanoyl-sn-glycero-3-phosphocholine