Enzyme

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     1. Oxidoreductases
        1.2 Acting on the aldehyde or oxo group of donors
            1.2.4 With a disulfide as acceptor
ID:1.2.4.4
Description:3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring).
Alternative Name: Dehydrogenase, branched chain alpha-keto acid.
Dehydrogenase, 2-oxoisovalerate (lipoate).
Branched-chain ketoacid dehydrogenase.
Branched-chain keto acid dehydrogenase.
Branched-chain alpha-oxo acid dehydrogenase.
Branched-chain alpha-keto acid dehydrogenase.
Branched-chain 2-oxo acid dehydrogenase.
Branched-chain 2-keto acid dehydrogenase.
Branched-chain (-2-oxoacid) dehydrogenase (BCD).
Branched chain keto acid dehydrogenase.
BCOAD.
BCKDH.
Alpha-oxoisocaproate dehydrogenase.
Alpha-ketoisovalerate dehydrogenase.
Alpha-ketoisocaproic-alpha-keto-alpha-methylvaleric dehydrogenase.
Alpha-ketoisocaproic dehydrogenase.
Alpha-ketoisocaproate dehydrogenase.
Alpha-keto-alpha-methylvalerate dehydrogenase.
acceptor-2-methylpropanoylating).
3-methyl-2-oxobutanoate:lipoamide oxidoreductase (decarboxylating and
3-methyl-2-oxobutanoate dehydrogenase (lipoamide).
2-oxoisovalerate (lipoate) dehydrogenase.
2-oxoisocaproate dehydrogenase.
Cath: 1.20.140.20; 3.30.559.10; 3.30.565.10; 4.10.320.10; 3.40.50.920; 3.40.50.970; 2.40.50.100;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 1.2.4.4
BRENDA Enzyme Link: BRENDA 1.2.4.4
KEGG Enzyme Link: KEGG1.2.4.4
BioCyc Enzyme Link: BioCyc 1.2.4.4
ExPASy Enzyme Link: ExPASy1.2.4.4
EC2PDB Enzyme Link: EC2PDB 1.2.4.4
ExplorEnz Enzyme Link: ExplorEnz 1.2.4.4
PRIAM enzyme-specific profiles Link: PRIAM 1.2.4.4
IntEnz Enzyme Link: IntEnz 1.2.4.4
MEDLINE Enzyme Link: MEDLINE 1.2.4.4
MSA:

1.2.4.4;

Phylogenetic Tree:

1.2.4.4;

Uniprot:
M-CSA:
RHEA:13457 3-methyl-2-oxobutanoate + [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase]-(R)-N(6)-lipoyl-L-lysine + H(+) = [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase]-(R)-N(6)-(S(8)-2-methylpropanoyldihydrolipoyl)-L-lysine + CO2
RULE(radius=1) [*:1]-[S;H0;+0:2]-[S;H0;+0:3]-[*:4].[*:5]=[C;H0;+0:6](-[OH;+0:7])-[C;H0;+0:8](=[*:9])-[*:10].[H+;H0:11]>>([*:4]-[S;H0;+0:3]-[C;H0;+0:8](=[*:9])-[*:10].[*:1]-[SH;+0:2]).[*:5]=[C;H0;+0:6]=[O;H0;+0:7]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Branched chain alpha-keto acid metabolism. I. Isolation, purification, and partial characterization of bovine liver alpha-ketoisocaproic:alpha-keto-beta-methylvaleric acid dehydrogenase.Connelly JL, Danner DJ, Bowden JA1968 Mar 255689906
Branched chain alpha-keto acid metabolism. II. Evidence for the common identity of alpha-ketoisocaproic acid and alpha-keto-beta-methyl-valeric acid dehydrogenases.Bowden JA, Connelly JL1968 Jun 255656388
Swinging arms and swinging domains in multifunctional enzymes: catalytic machines for multistep reactions.Perham RN200010966480