Nucleoside ribosyltransferase

nucleoside ribosyltransferase
Identifiers
EC number	2.4.2.5
CAS number	9030-31-3
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Gene Ontology	AmiGO / EGO
Search PMC articles PubMed articles

In enzymology, a nucleoside ribosyltransferase (EC 2.4.2.5) is an enzyme that catalyzes the chemical reaction

D-ribosyl-base₁ + base₂ $\rightleftharpoons$ D-ribosyl-base₂ + base₁

Thus, the two substrates of this enzyme are D-ribosyl-base₁ and base₂, whereas its two products are D-ribosyl-base₂ and base₁.

This enzyme belongs to the family of glycosyltransferases, specifically the pentosyltransferases. The systematic name of this enzyme class is nucleoside:purine(pyrimidine) D-ribosyltransferase. This enzyme is also called nucleoside N-ribosyltransferase.

References

• KOCH AL (1956). "Some enzymes of nucleoside metabolism of Escherichia coli". J. Biol. Chem. 223 (1): 535–49. PMID 13376622. 

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