NAD+ synthase
In enzymology, a NAD+ synthetase 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 nicotinamide [adenine dinucleotide|NAD+].
This enzyme belongs to the family of ligases, specifically those forming carbon-nitrogen bonds as acid-D-ammonia ligases. The systematic name of this enzyme class is deamido-NAD+:ammonia ligase . 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.