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Catalysis of the transfer of a nitrogenous group from one compound (donor) to another (acceptor). Catalysis of the reaction: a branched-chain amino acid + 2-oxoglutarate = L-glutamate + a 2-oxocarboxylate derived from the branched-chain amino acid. Includes catalysis of the reaction: L-leucine + 2-oxoglutarate = 4-methyl-2-oxopentanoate + L-glutamate and anaologous reactions involving L-isoleucine and L-valine. Catalysis of the transfer of an amino group to an acceptor, usually a 2-oxo acid.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: branched-chain-amino-acid transaminase activity
Acc: GO:0004084
Aspect: Molecular Function
Desc: Catalysis of the reaction: a branched-chain amino acid + 2-oxoglutarate = L-glutamate + a 2-oxocarboxylate derived from the branched-chain amino acid. Includes catalysis of the reaction: L-leucine + 2-oxoglutarate = 4-methyl-2-oxopentanoate + L-glutamate and anaologous reactions involving L-isoleucine and L-valine.
Synonyms:
  • branched-chain amino acid aminotransferase activity
  • glutamate-branched-chain amino acid transaminase activity
  • branched-chain amino acid-glutamate transaminase activity
  • transaminase B activity
  • branched-chain-amino-acid:2-oxoglutarate aminotransferase activity
  • branched-chain aminotransferase activity
  • L-branched chain amino acid aminotransferase activity
Proteins in PDR annotated with:
   This term: 32 [Search]
   Term or descendants: 32 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004084 - branched-chain-amino-acid transaminase activity (interactive image map)
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