3-methylcrotonyl-CoA carboxylase (MCCase, 3-methylcrotonyl-CoA:carbon dioxide ligase)

Function

-..........-

ATP + 3-methylcrotonyl-CoA + HCO3-
               <-->
ADP + phosphate + 3-methylglutaconyl-CoA

Structure

• probably a complex of 6 biotin-containing alpha subunits & 6 beta subunits

Laboratory

• 3-methylcrotonyl-CoA carboxylase in fibroblasts

More general terms

• multisubunit protein
• mitochondrial protein