holo-[(hydroxy)phthioceranic acid synthase] + hexadecanoate + ATP = hexadecanoyl-[(hydroxy)phthioceranic acid synthase] + AMP + diphosphate
holo-[(hydroxy)phthioceranic acid synthase] + hexadecanoate + atp = hexadecanoyl-[(hydroxy)phthioceranic acid synthase] + amp + diphosphate