Ribosylpyrimidine nucleosidase
In enzymology, a ribosylpyrimidine nucleosidase (EC3.2.2.8) is an enzyme that catalyzes the chemical reaction
Thus, the two substrates of this enzyme are pyrimidine nucleoside and H2O, whereas its two products are D-ribose and pyrimidine base.
This enzyme belongs to the family of hydrolases, specifically those glycosylases that hydrolyse N-glycosyl compounds. The systematic name of this enzyme class is pyrimidine-nucleoside ribohydrolase. Other names in common use include N-ribosylpyrimidine nucleosidase, pyrimidine nucleosidase, N-ribosylpyrimidine ribohydrolase, pyrimidine nucleoside hydrolase, RihB, YeiK, and nucleoside ribohydrolase. This enzyme participates in purine metabolism and pyrimidine metabolism.