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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.

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Accession:CHEBI:48942 term browser browse the term
Definition:A branched-chain saturated fatty acid anion that is the conjugate base of isovaleric acid; reported to improve ruminal fermentation and feed digestion in cattle.
Synonyms:exact_synonym: 3-methylbutanoate
 related_synonym: 3-methyl-n-butyrate;   3-methylbutyrate;   Formula=C5H9O2;   InChI=1S/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7)/p-1;   InChIKey=GWYFCOCPABKNJV-UHFFFAOYSA-M;   SMILES=CC(C)CC([O-])=O;   beta-methylbutyrate;   delphinate;   isopentanoate;   isopropylacetate;   isovalerianate
 xref: Beilstein:773692;   PMID:19138353
 cyclic_relationship: is_conjugate_base_of CHEBI:28484

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Term Annotations click to browse term
  CHEBI ontology 19762
    role 19708
      biological role 19708
        biochemical role 19312
          metabolite 19291
            eukaryotic metabolite 18959
              plant metabolite 17439
                isovalerate 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19762
    subatomic particle 19760
      composite particle 19760
        hadron 19760
          baryon 19760
            nucleon 19760
              atomic nucleus 19760
                atom 19760
                  main group element atom 19651
                    p-block element atom 19651
                      carbon group element atom 19570
                        carbon atom 19560
                          organic molecular entity 19560
                            organic ion 8462
                              organic anion 3034
                                carboxylic acid anion 2394
                                  monocarboxylic acid anion 1500
                                    fatty acid anion 103
                                      branched-chain fatty acid anion 1
                                        methyl-branched fatty acid anion 0
                                          3-methyl fatty acid anion 0
                                            isovalerate 0
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