PreQ1 synthase
| PreQ1 synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 1.7.1.13 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
In enzymology, a preQ1 synthase (EC 1.7.1.13) is an enzyme that catalyzes the chemical reaction
- 7-aminomethyl-7-carbaguanine + 2 NADP+ 7-cyano-7-carbaguanine + 2 NADPH + 2 H+
Thus, the two substrates of this enzyme are 7-aminomethyl-7-carbaguanine and NADP+, whereas its 3 products are 7-cyano-7-carbaguanine, NADPH, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on other nitrogenous compounds as donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is 7-aminomethyl-7-carbaguanine:NADP+ oxidoreductase. Other names in common use include YkvM, QueF, preQ0 reductase, preQ0 oxidoreductase, 7-cyano-7-deazaguanine reductase, 7-aminomethyl-7-carbaguanine:NADP+ oxidoreductase, queuine synthase (incorrect as queuine is not the product), and queuine:NADP+ oxidoreductase (incorrect as queuine is not the product).
References
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