Pteridine reductase
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(Redirected from EC 1.5.1.3)
| Pteridine reductase | |||||||||
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| Identifiers | |||||||||
| EC number | 1.5.1.33 | ||||||||
| CAS number | Template:CAS | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
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In enzymology, a pteridine reductase (EC 1.5.1.33) is an enzyme that catalyzes the chemical reaction
- 5,6,7,8-tetrahydrobiopterin + 2 NADP+
biopterin + 2 NADPH + 2 H+
Thus, the two substrates of this enzyme are 5,6,7,8-tetrahydrobiopterin and NADP+, whereas its 3 products are biopterin, NADPH, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH group of donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is 5,6,7,8-tetrahydrobiopterin:NADP+ oxidoreductase. Other names in common use include PTR1, and pteridine reductase 1.
Structural studies
As of late 2007, 7 structures have been solved for this class of enzymes, with PDB accession codes 1W0C, 2BF7, 2BFA, 2BFM, 2BFO, 2BFP, and 2C7V.
References
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