Definitions for ornithine decarboxylase
The enzyme ornithine decarboxylase catalyzes the decarboxylation of ornithine to form putrescine. This reaction is the committed step in polyamine synthesis. In humans, this protein has 461 amino acids and forms a homodimer.
U.S. National Library of Medicine
A pyridoxal-phosphate protein, believed to be the rate-limiting compound in the biosynthesis of polyamines. It catalyzes the decarboxylation of ornithine to form putrescine, which is then linked to a propylamine moiety of decarboxylated S-adenosylmethionine to form spermidine. EC 184.108.40.206.
Find a translation for the ornithine decarboxylase definition in other languages:
Select another language:
Use the citation below to add this definition to your bibliography:
"ornithine decarboxylase." Definitions.net. STANDS4 LLC, 2013. Web. 4 Dec. 2013. <http://www.definitions.net/definition/ornithine decarboxylase>.