Definition of decarboxylase in English:
 decarboxylase
noun ˌdiːkɑːˈbɒksɪleɪz-ˌlāz
Biochemistry An enzyme that catalyses the decarboxylation of a particular organic molecule.
 Example sentencesExamples
-  A major source of ammonium, especially in C 3 plants, arises in the mitochondria from the decarboxylation of glycine to serine by the glycine decarboxylase as part of the photorespiratory cycle.
 -  Two inherited disorders affecting pyrimidine biosynthesis are the result of deficiencies in the bifunctional enzyme catalyzing the last two steps of UMP synthesis, orotate phosphoribosyl transferase and OMP decarboxylase.
 -  This process would consume protons in a similar way to the malic enzyme reaction and PEPCK might therefore be functioning as a decarboxylase in the biochemical pH stat.
 -  The key enzyme in initial stages of alkaloid biosynthesis is tryptophan decarboxylase.
 -  Green tea catechins have been shown to inhibit the actions of 5-alpha-reductase and ornithine decarboxylase, two enzymes considered important in the development of prostate cancer.