In enzymology, a hydrogen dehydrogenase (NADP+) (EC 1.12.1.3) is an enzyme that catalyzes the chemical reaction
| hydrogen dehydrogenase (NADP+) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 1.12.1.3 | ||||||||
| CAS no. | 9027-05-8 | ||||||||
| 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 / QuickGO | ||||||||
| |||||||||
- H2 + NADP+ H+ + NADPH
Thus, the two substrates of this enzyme are H2 and NADP+, whereas its two products are H+ and NADPH.
This enzyme belongs to the family of oxidoreductases, specifically those acting on hydrogen as donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is hydrogen:NADP+ oxidoreductase. Other names in common use include NADP+-linked hydrogenase, NADP+-reducing hydrogenase, hydrogen dehydrogenase (NADP+), and simply hydrogenase (which is ambiguous).
Structural studies edit
As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 2AUV.
References edit
- de Luca G, de Philip P, Rousset M, Belaich JP, Dermoun Z (1998). "The NADP-reducing hydrogenase of Desulfovibrio fructosovorans: evidence for a native complex with hydrogen-dependent methyl-viologen-reducing activity". Biochem. Biophys. Res. Commun. 248 (3): 591–6. doi:10.1006/bbrc.1998.9022. PMID 9703971.
