Biotin-dependent 3-methylcrotonyl-coenzyme A carboxylase beta1 subunit

UniProtKB accession:  I6YDK7

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UniProtKB description:  Component of a biotin-dependent acyl-CoA carboxylase complex. This subunit transfers the CO2 from carboxybiotin to the CoA ester substrate (PubMed:25695631). When associated with the alpha1 subunit AccA1, is involved in branched amino-acid catabolism with methylcrotonyl coenzyme A as the substrate (PubMed:25695631). Shows residual with propionyl-CoA and acetyl-CoA (PubMed:25695631).