propionyl-CoA carboxylase subunit alpha propionyl Coenzyme A carboxylase, alpha polypeptide propionyl-CoA carboxylase alpha chain, mitochondrial PCCase alpha subunit pccA complementation group propanoyl-CoA:carbon dioxide ligase alpha subunit propionyl CoA carboxylase, alpha polypeptide propionyl-CoA carboxylase alpha subunit Propionyl-CoA carboxylase alpha chain, mitochondrial PCCase subunit alpha Propanoyl-CoA:carbon dioxide ligase subunit alpha EC 6.4.1.3 EC 6.4.1