Term Information

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Accession
GO:0003863
Name
3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity
Ontology
molecular_function
Synonyms
2-oxoisocaproate dehydrogenase activity, 2-oxoisovalerate (lipoate) dehydrogenase activity, 3-methyl-2-oxobutanoate dehydrogenase (lipoamide) activity, 3-methyl-2-oxobutanoate:dihydrolipoyllysine-residue (2-methylpropanoyl)transferase-lipoyllysine 2-oxidoreductase (decarboxylating, acceptor-2-methylpropanoylating), 3-methyl-2-oxobutanoate:lipoamide oxidoreductase (decarboxylating and acceptor-2-methylpropanoylating) activity, BCKDH activity, BCOAD activity, alpha-keto-alpha-methylvalerate dehydrogenase activity, alpha-ketoisocaproate dehydrogenase activity, alpha-ketoisocaproic dehydrogenase activity, alpha-ketoisocaproic-alpha-keto-alpha-methylvaleric dehydrogenase activity, alpha-ketoisovalerate dehydrogenase activity, alpha-oxoisocaproate dehydrogenase activity, branched chain keto acid dehydrogenase activity, branched-chain (-2-oxoacid) dehydrogenase (BCD) activity, branched-chain 2-keto acid dehydrogenase activity, branched-chain 2-oxo acid dehydrogenase activity, branched-chain alpha-keto acid dehydrogenase activity, branched-chain alpha-oxo acid dehydrogenase activity, branched-chain keto acid dehydrogenase activity, branched-chain ketoacid dehydrogenase activity, dehydrogenase, 2-oxoisovalerate (lipoate) activity, dehydrogenase, branched chain alpha-keto acid activity, alpha-ketoacid dehydrogenase activity
Alternate IDs
GO:0003826
Definition
Catalysis of the reaction: 3-methyl-2-oxobutanoate + lipoamide = S-(2-methylpropanoyl)dihydrolipoamide + CO2. Source: EC:1.2.4.4
Comment
None
History
See term history for GO:0003863 at QuickGO
Chem. react.
has participant hydron
has participant 3-methyl-2-oxobutanoate
has participant N(6)-[(R)-lipoyl]-L-lysine residue
has participant carbon dioxide
has participant N(6)-[(R)-S(8)-isobutyryldihydrolipoyl]-L-lysine residue
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Graph of GO:0003863 from QuickGO

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Parents of 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity (GO:0003863)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity [is_a relation] is_a  oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor (GO:0016624)
3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity [RO:0000057 relation] RO:0000057  hydron (CHEBI:15378)
3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity [RO:0000057 relation] RO:0000057  3-methyl-2-oxobutanoate (CHEBI:11851)
3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity [RO:0000057 relation] RO:0000057  N(6)-[(R)-lipoyl]-L-lysine residue (CHEBI:83099)
3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity [RO:0000057 relation] RO:0000057  carbon dioxide (CHEBI:16526)
3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity [RO:0000057 relation] RO:0000057  N(6)-[(R)-S(8)-isobutyryldihydrolipoyl]-L-lysine residue (CHEBI:83142)

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EC
1.2.4.4
MetaCyc
1.2.4.4-RXN
RHEA
13457