The molecule is a serine derivative in which L-serine is substituted on oxygen by a pantetheine 4'-phosphate group. It is a non-proteinogenic L-alpha-amino acid and a L-serine derivative. It contains a pantetheine 4'-phosphate group.
(2S)-2-amino-3-[hydroxy-[(3R)-3-hydroxy-2,2-dimethyl-4-oxo-4-[[3-oxo-3-(2-sulfanylethylamino)propyl]amino]butoxy]phosphoryl]oxypropanoic acid