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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:3-methyl-2-oxovaleric acid
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Accession:CHEBI:35932 term browser browse the term
Definition:A 2-oxo monocarboxylic acid that is valeric acid carrying oxo- and methyl substituents at C-2 and C-3, respectively. An alpha-keto acid analogue and metabolite of isoleucine in man, animals and bacteria. Used as a clinical marker for maple syrup urine disease (MSUD).
Synonyms:related_synonym: 2-Oxo-3-methylpentanoic acid;   2-Oxo-3-methylvalerate;   2-Oxo-3-methylvaleric acid;   2-oxo-3-methyl-n-valeric acid;   2-oxoisoleucine;   2-oxokolavenic acid;   3-Methyl-2-oxopentanoic acid;   3-ethyl-3-methylpyruvic acid;   Formula=C6H10O3;   InChI=1S/C6H10O3/c1-3-4(2)5(7)6(8)9/h4H,3H2,1-2H3,(H,8,9);   InChIKey=JVQYSWDUAOAHFM-UHFFFAOYSA-N;   SMILES=CCC(C)C(=O)C(O)=O;   alpha-keto-beta-methyl-n-valeric acid;   alpha-keto-beta-methylvaleric acid;   alpha-oxo-beta-methyl-n-valeric acid;   alpha-oxo-beta-methylvaleric acid;   ketoisoleucine
 xref: Beilstein:1098987;   CAS:1460-34-0;   Gmelin:971983;   HMDB:HMDB0000491;   KEGG:C03465
 xref_mesh: MESH:C016211
 xref: PMID:1638756;   PMID:17190852;   PMID:759179;   Reaxys:1098987
 cyclic_relationship: is_conjugate_acid_of CHEBI:28654

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3-methyl-2-oxovaleric acid term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Lepr leptin receptor affects abundance ISO LEPR affects the abundance of alpha-keto-beta-methylvaleric acid CTD PMID:20567778 NCBI chr 5:120,503,475...120,682,281
Ensembl chr 5:120,564,645...120,682,221
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19785
    role 19732
      biological role 19732
        biochemical role 19281
          metabolite 19262
            eukaryotic metabolite 18906
              plant metabolite 17359
                valeric acid 14334
                  3-methyl-2-oxovaleric acid 1
                    (R)-3-methyl-2-oxovaleric acid 0
                    (S)-3-methyl-2-oxovaleric acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19785
    subatomic particle 19782
      composite particle 19782
        hadron 19782
          baryon 19782
            nucleon 19782
              atomic nucleus 19782
                atom 19782
                  main group element atom 19670
                    p-block element atom 19670
                      carbon group element atom 19572
                        carbon atom 19561
                          organic molecular entity 19561
                            organic group 18493
                              organic divalent group 18486
                                organodiyl group 18486
                                  carbonyl group 18389
                                    carbonyl compound 18389
                                      carboxylic acid 18060
                                        monocarboxylic acid 17406
                                          fatty acid 15844
                                            saturated fatty acid 15811
                                              straight-chain saturated fatty acid 15226
                                                valeric acid 14334
                                                  3-methyl-2-oxovaleric acid 1
                                                    (R)-3-methyl-2-oxovaleric acid 0
                                                    (S)-3-methyl-2-oxovaleric acid 0
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