 Homocysteine in ChEBI

Originating curated generic homocysteine entry: Definition, Structure and Ontology show the sulfur-containing non-proteinogenic amino acid, neutral formula C4H9NO2S and unspecified stereochemistry. Specific L form www.ebi.ac.uk/chebi/CHEBI:17588 has (2S) configuration. Keep generic and stereospecific identities distinct.