Glutamate synthase (ferredoxin)
In enzymology, a glutamate synthase (ferredoxin) (EC 1.4.7.1) is an enzyme that catalyzes the chemical reaction
- 2 L-glutamate + 2 oxidized ferredoxin L-glutamine + 2-oxoglutarate + 2 reduced ferredoxin + 2 H+
| glutamate synthase (ferredoxin) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 1.4.7.1 | ||||||||
| CAS number | 62213-56-3 | ||||||||
| 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 / QuickGO | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are L-glutamate and oxidized ferredoxin, whereas its 4 products are L-glutamine, 2-oxoglutarate, reduced ferredoxin, and H+.
Classification
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH2 group of donors with an iron-sulfur protein as acceptor.
Nomenclature
The systematic name of this enzyme class is L-glutamate:ferredoxin oxidoreductase (transaminating). Other names in common use include:
- ferredoxin-dependent glutamate synthase,
- ferredoxin-glutamate synthase,
- glutamate synthase (ferredoxin-dependent), and
- ferredoxin-glutamine oxoglutarate aminotransferase (Fd-GOGAT).
Biological role
This enzyme participates in nitrogen metabolism. It has 5 cofactors: FAD, iron, sulfur, iron-sulfur, and flavoprotein.
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References
- Jang JE, Shaw K, Yu XJ, Petersen D, Pepper K, Lutzko C, Kohn DB (2006). "Specific and stable gene transfer to human embryonic stem cells using pseudotyped lentiviral vectors". Stem Cells Dev. 15 (1): 109–17. doi:10.1089/scd.2006.15.109. PMID 16522168.
- Lea PJ, Miflin BJ (1974). "Alternative route for nitrogen assimilation in higher plants". Nature. 251 (5476): 614–6. doi:10.1038/251614a0. PMID 4423889.
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