Porphyrinogen carboxy-lyase is an alias for the gene, Uroporphyrinogen decarboxylase, in humans. Other names include: UPD; URO-D; PCT. The encoded protein is an enzyme with an amino acid length of 367 and a mass of 40.8 kDa. Porphyrinogen carboxy-lyase is a member of the Uroporphyrinogen decarboxylase family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.