has part has part has_part has role branched-chain amino acid leucine leucine CC(C)CC(N)C(O)=O L 2-amino-4-methylpentanoic acid Reaxys:636005 Leucin 131.09463 Leu DL-Leucine (RS)-Leucine Wikipedia:Leucine ROHFNLRQFUQHCH-UHFFFAOYSA-N Gmelin:50203 LIPID_MAPS_instance:LMFA01100048 PMID:17439666 0 leucine 131.17296 CHEBI:25017 (+-)-Leucine Leuzin CAS:328-39-2 KEGG:C16439 Hleu A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. Beilstein:636005 InChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9) C6H13NO2 chebi_ontology isobutyl group leucinate leucinium alpha-amino acid Daphnia magna metabolite