... > chemical entity > group > anionic group > organic anionic group > anionic amino-acid residue > O-(S-acylpantetheine-4'-phosphoryl)serine(1-) residue > O-[S-(3R)-3-hydroxyacylpantetheine-4'-phosphoryl]serine(1-) residue > O-{S-[(3R,21Z,37Z)-3-hydroxyhexapentacontadienoylpantetheine]-4'-phosphoryl}-L-serine(1-) residue