O-(S-2-hydroxybenzoylpantetheine-4'-phosphoryl)-L-serine(1-) residue
o-(s-2-hydroxybenzoylpantetheine-4'-phosphoryl)-l-serine(1-) residue
An anionic amino-acid residue formed by proton loss from the phospho group of <em>O</em>-(<em>S</em>-2-hydroxybenzoylpantetheine-4'-phosphoryl)-<small>L</small>-serine residue; major species at pH 7.3.