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urease subunit beta
This subunit is known as alpha in Heliobacter. [1]. 7754395. The crystal structure of urease from Klebsiella aerogenes. Jabri E, Carr MB, Hausinger RP, Karplus PA;. Science 1995;268:998-1004. (from Pfam)
Catalyzes the hydrolysis of urea into ammonia and carbon dioxide; the ammonia released plays a key role in bacterial survival by neutralizing acids when colonizing the gastric mucosa
urease subunit beta (UreB) is a component of the urease enzyme complex that catalyzes the hydrolysis of urea into carbon dioxide and ammonia
In a number of species, including B.subtilis, Synechocystis, and Haemophilus influenzae, urease subunits beta and gamma are encoded as separate polypeptides. In Helicobacter pylori UreA and in the fission yeast Schizosaccharomyces pombe, beta subunit-like sequence follows gamma subunit-like sequence in a single chain; the fission yeast protein contains additional C-terminal regions.
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