part of Ligation Valine, leucine and isoleucine degradation ATP + 3-Methylbut-2-enoyl-CoA + HCO3- => ADP + 3-Methyl-glutaconyl-CoA + Orthophosphate( EC:6.4.1.4 ) ATP + 3-Methylbut-2-enoyl-CoA + CO2 + H2O => ADP + 3-Methyl-glutaconyl-CoA + Orthophosphate( EC:6.4.1.4 ) EC:6.4.1.4 IEV:0003039 IMR:0001351 IMR:0001360 IMR:0200069 IMR:0200102 IMR:0200298 KEGG:C00288 KEGG:R04138 KEGG:map00280 event