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1.2.7.7: 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin)

This is an abbreviated version!
For detailed information about 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin), go to the full flat file.

Word Map on EC 1.2.7.7

Reaction

3-methyl-2-oxobutanoate
+
CoA
+ 2 oxidized ferredoxin =
S-(2-methylpropanoyl)-CoA
+
CO2
+ 2 reduced ferredoxin + 2 H+

Synonyms

2-ketoisovalerate ferredoxin oxidoreductase, 2-oxoisovalerate ferredoxin reductase, 2-oxoisovalerate oxidoreductase, 2-oxoisovalerate:ferredoxin oxidoreductase, 3-methyl-2-oxobutanoate dehydrogenase, 3-methyl-2-oxobutanoate synthase (ferredoxin), branched-chain ketoacid ferredoxin reductase, branched-chain oxo acid ferredoxin reductase, keto-valine-ferredoxin oxidoreductase, ketoisovalerate ferredoxin reductase, VOR

ECTree

     1 Oxidoreductases
         1.2 Acting on the aldehyde or oxo group of donors
             1.2.7 With an iron-sulfur protein as acceptor
                1.2.7.7 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin)

KM Value

KM Value on EC 1.2.7.7 - 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin)

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.012 - 0.15
2-keto-3-methylvalerate
0.17 - 0.38
2-Ketobutyrate
0.049 - 0.311
2-ketocaproate
0.026 - 0.176
2-ketoisocaproate
0.094 - 1.3
2-ketoisovalerate
0.276
3-methyl-2-oxobutanoate
-
pH 6.9, 85°C, under argon
0.058
4-methylthio-2-oxobutanoate
-
pH 6.9, 85°C, under argon
0.048
CO2
-
pH 7.0, 85°C, under argon
0.004 - 0.05
CoA
0.021
coenzyme A
-
-
0.25
isobutyryl-CoA
-
pH 7.0, 85°C, under argon
0.017
oxidized ferredoxin
-
pH 6.9, 85°C, under argon
0.6
phenylglyoxalate
-
pH 6.9, 85°C, under argon
0.466
phenylglyoxylate
-
pH 6.9, 85°C, under argon
0.22
phenylpyruvate
-
pH 6.9, 85°C, under argon
0.75 - 2.8
pyruvate
additional information
additional information
-