methionine 0 149.05105 149.215 Hmet kegg.drug:D04983 2-amino-4-(methylsulfanyl)butanoic acid CSCCC(N)C(=O)O FFEARJCKVFRZRR-UHFFFAOYSA-N methionine CHEBI:6829 metionina chebi_ontology Methionin pubmed:16702333 2-amino-4-(methylthio)butanoic acid CHEBI:16811 reaxys:636185 A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. kegg.compound:C01733 Methionine Racemethionine CHEBI:14590 pubmed:2543976 pubmed:22264337 wikipedia.en:Methionine cas:59-51-8 umbbd.compound:c0094 InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8) CHEBI:25229 alpha-amino-gamma-methylmercaptobutyric acid gmelin:3117 2-Amino-4-(methylthio)butyric acid M DL-Methionine methionine Methionine Met C5H11NO2S organosulfur compound amino acid