The molecule is a L-serine derivative consisting of L-serine having a 1-glycerophospho group attached to the side-chain hydroxy function. It is a glycerol 1-phosphodiester, a L-serine derivative and a non-proteinogenic L-alpha-amino acid. It is a conjugate acid of a glycerol 1-phosphoserine(1-).
(2S)-2-amino-3-[2,3-dihydroxypropoxy(hydroxy)phosphoryl]oxypropanoic acid