In
enzymology, a
nucleoside deoxyribosyltransferase () is an
enzyme that
catalyzes the
chemical reaction
- 2-deoxy-D-ribosyl-base<sub>1</sub> + base<sub>2</sub> <math>rightleftharpoons</math> 2-deoxy-D-ribosyl-base<sub>2</sub> + base<sub>1</sub>
Thus, the two
substrates of this enzyme are 2-deoxy-D-ribosyl-base<sub>1</sub> and base<sub>2</sub>, whereas its two
products are 2-deoxy-D-ribosyl-base<sub>2</sub> and base<sub>1</sub>.
This enzyme belongs to the family of
glycosyltransferases, specifically the pentosyltransferases. The systematic name of this enzyme class is
nucleoside:purine(pyrimidine) deoxy-D-ribosyltransferase. Other names in common use include
purine(pyrimidine) nucleoside:purine(pyrimidine) deoxyribosyl,
transferase,
deoxyribose transferase,
nucleoside trans-N-deoxyribosylase,
trans-deoxyribosylase,
trans-N-deoxyribosylase,
trans-N-glycosidase,
nucleoside deoxyribosyltransferase I (purine nucleoside:purine,
deoxyribosyltransferase: strictly specific for transfer between,
purine bases),
nucleoside deoxyribosyltransferase II . This enzyme participates in
pyrimidine metabolism.
Structural studies
As of late 2007, 12
structures have been solved for this class of enzymes, with
PDB accession codes , , , , , , , , , , , and .
References
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