11. Pyruvate decarboxylase creates the means of CO 2 elimination, which the cell dispels. 12. Malonyl-CoA decarboxylase is present in the cytosolic, mitochondrial and peroxisomal compartments. 13. It is derived from precarthamin by a decarboxylase . 14. Glycine decarboxylase is the P-protein of the glycine cleavage system in eukaryotes. 15. The FAHD1 protein has been shown to function as an oxaloacetate decarboxylase in eukaryotes. 16. :: Yes, I have the CO2 source ( alanine decarboxylase ) covered. 17. There's an l-alanine decarboxylase in Camellia sinensis ( tea ). 18. Biosynthesis begins with decarboxylation of ornithine by ornithine decarboxylase ( ODC ) to produce putrescine. 19. Carbidopa is most commonly used as a method to inhibit the activity of dopamine decarboxylase . 20. In humans, the orotidylate decarboxylase function is carried out by the protein UMP synthase.