| NAD+ synthetase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 6.3.1.5 | ||||||||
| CAS no. | 9032-69-3 | ||||||||
| 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 | ||||||||
| |||||||||
In enzymology, a NAD+ synthetase (EC 6.3.1.5) is an enzyme that catalyzes the chemical reaction
The 3 substrates of this enzyme are ATP, deamido-NAD+, and NH3, whereas its 3 products are AMP, diphosphate, and NAD+.
This enzyme belongs to the family of ligases, specifically those forming carbon-nitrogen bonds as acid-D-ammonia (or amine) ligases (amide synthetase). The systematic name of this enzyme class is deamido-NAD+:ammonia ligase (AMP-forming). Other names in common use include NAD+ synthetase, NAD+ synthetase, nicotinamide adenine dinucleotide synthetase, and diphosphopyridine nucleotide synthetase. This enzyme participates in nicotinate and nicotinamide metabolism and nitrogen metabolism.
As of late 2007, 11 structures have been solved for this class of enzymes, with PDB accession codes 1WXE, 1WXF, 1WXG, 1WXH, 1WXI, 1XNG, 1XNH, 2E18, 2PZ8, 2PZA, and 2PZB.
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