holo-[(hydroxy)phthioceranic acid synthase] + octadecanoate + ATP <=> octadecanoyl-[(hydroxy)phthioceranic acid synthase] + AMP + diphosphate
holo-[(hydroxy)phthioceranic acid synthase] + octadecanoate + atp <=> octadecanoyl-[(hydroxy)phthioceranic acid synthase] + amp + diphosphate
holo-[(hydroxy)phthioceranic acid synthase] + octadecanoate + ATP <=> octadecanoyl-[(hydroxy)phthioceranic acid synthase] + AMP + diphosphate
holo-[(hydroxy)phthioceranic acid synthase] + octadecanoate + atp <=> octadecanoyl-[(hydroxy)phthioceranic acid synthase] + amp + diphosphate