has role is tautomer of O-acetyl-L-serine 0 147.053 147.12930 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. C5H9NO4 CAS:5147-00-2 CC(=O)OC[C@H](N)C(O)=O CHEBI:12685 CHEBI:12710 CHEBI:12724 CHEBI:17981 CHEBI:21938 CHEBI:44568 CHEBI:7668 DrugBank:DB01837 HMDB:HMDB03011 InChI=1S/C5H9NO4/c1-3(7)10-2-4(6)5(8)9/h4H,2,6H2,1H3,(H,8,9)/t4-/m0/s1 KEGG:C00979 KNApSAcK:C00007459 L-Serine, acetate (ester) MetaCyc:ACETYLSERINE O-Acetyl-L-serine O-acetyl-L-serine O3-Acetyl-L-serine O3-acetyl-L-serine PDBeChem:OAS PMID:23483228 Reaxys:1723791 VZXPDPZARILFQX-BYPYZUCNSA-N Wikipedia:O-Acetylserine chebi_ontology acetyl-L-serine acetate ester O-acetyl-L-serine zwitterion Saccharomyces cerevisiae metabolite bacterial metabolite