ChEBI: O-acetyl-L-serine is an acetyl-L-serine where the acetyl group is attached to the side-chain oxygen. It is an intermediate in the biosynthesis of the amino acid cysteine in bacteria. It has a role as a bacterial metabolite and a Saccharomyces cerevisiae metabolite. It is an acetate ester and an acetyl-L-serine. It is a tautomer of an O-acetyl-L-serine zwitterion.
