... > chemical entity > group > anionic group > organic anionic group > anionic amino-acid residue > O-(S-acylpantetheine-4'-phosphoryl)serine(1-) residue > O-(S-2,3,6,8,9-pentahydroxy-1-oxo-3-(2-oxopropyl)-1,2,3,4-tetrahydroanthracene-2-carboxylpantetheine-4'-phosphoryl)-L-serine(2-) residue