is conjugate base of methionine methioninate -1 148.043 148.20444 2-amino-4-(methylsulfanyl)butanoate A sulfur-containing amino-acid anion that is the conjugate base of methionine, arising from deprotonation of the carboxy group. Beilstein:3937270 C5H10NO2S CHEBI:32644 CSCCC(N)C([O-])=O FFEARJCKVFRZRR-UHFFFAOYSA-M Gmelin:326565 InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/p-1 Reaxys:3937270 chebi_ontology met(-) methioninate methionine anion alpha-amino-acid anion sulfur-containing amino-acid anion