Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.3 Acting on the CH-CH group of donors
1.3.8 With a flavin as acceptor
1.3.8.5
R03169 2-Methylbutanoyl-CoA + Electron-transferring flavoprotein <=> 2-Methylbut-2-enoyl-CoA + Reduced electron-transferring flavoprotein + H+