A heterodimeric complex having 3-methylcrotonyl-CoA carboxylase activity. The alpha subunit has a covalently bound biotin essential for the ATP-dependent carboxylation. The beta subunit possess carboxyltransferase activity which presumably is essential for binding to 3-methylcrotonyl-CoA. (Gene Ontology, GO_0002169)
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1 proteins co-occuring with the 3-methylcrotonyl-coa carboxylase complex, mitochondrial cellular component in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores dataset.