]> (S)-2-Methylbutanoyl-CoA + Acceptor = 2-Methylbut-2-enoyl-CoA + Reduced acceptor( EC:1.3.99.2 ) 2-Methyl-butanoyl-CoA + Acceptor = 2-Methylbut-2-enoyl-CoA + Reduced acceptor( EC:1.3.99.2 ) IMR:0200300 IMR:0200465 KEGG:C15980 IMR:0200224 KEGG:R03172 KEGG:map00280 EC:1.3.99.2 event IEV:0002933 Oxidation/Reduction Valine, leucine and isoleucine degradation part of