Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
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
R08567 (S)-3-Methyl-2-oxopentanoic acid + CoA + 2 Oxidized ferredoxin <=> (S)-2-Methylbutanoyl-CoA + CO2 + 2 Reduced ferredoxin + H+