“N-methyl nucleosidase”的意思、由来-开放百科全书

词条

N-methyl nucleosidase

释义

References

{{enzyme
| Name = N-methyl nucleosidase
| EC_number = 3.2.2.25
| CAS_number =
| IUBMB_EC_number = 3/2/2/25
| GO_code =
| image =
| width =
| caption =
}}

In enzymology, a N-methyl nucleosidase ({{EC number|3.2.2.25}}) is an enzyme that catalyzes the chemical reaction

7-methylxanthosine + H₂O 7-methylxanthine + D-ribose

Thus, the two substrates of this enzyme are 7-methylxanthosine and H₂O, whereas its two products are 7-methylxanthine and D-ribose.

This enzyme belongs to the family of hydrolases, specifically those glycosylases that hydrolyse N-glycosyl compounds. The systematic name of this enzyme class is 7-methylxanthosine ribohydrolase. Other names in common use include 7-methylxanthosine nucleosidase, N-MeNase, N-methyl nucleoside hydrolase, and methylpurine nucleosidase.

References

{{cite journal | vauthors = Negishi O, Ozawa T, Imagawa H | date = 1988 | title = N-Methyl nucleosidase from tea leaves | journal = Agric. Biol. Chem. | volume = 52 | pages = 169–175 | doi=10.1271/bbb1961.52.169}}

2 : EC 3.2.2|Enzymes of unknown structure

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