Pcca is a symbol for the gene, Propionyl-CoA carboxylase alpha subunit, in humans. Other names include: Propionyl-CoA carboxylase alpha chain, mitochondrial; PCCase subunit alpha; Propanoyl-CoA:carbon dioxide ligase subunit alpha; propionyl CoA carboxylase, alpha polypeptide. The encoded protein is an enzyme with an amino acid length of 728 and a mass of 80.1 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.