O-[S-(3-methylbut-2-enoyl)-pantetheine-4'-phosphoryl]-L-serine(1-) residue
o-[s-(3-methylbut-2-enoyl)-pantetheine-4'-phosphoryl]-l-serine(1-) residue
An <em>O</em>-(<em>S</em>-acylpantetheine-4'-phosphoryl)serine(1−) residue in which the <em>S</em>-acyl group is a 3-methylbut-2-enoyl group; major microspecies at pH 7.3.