NAD+ synthase activity https://github.com/geneontology/go-ontology/issues/30193 nicotinamide adenine dinucleotide synthetase activity GO:0008795 NAD+ synthetase activity MetaCyc:NAD-SYNTH-NH3-RXN RHEA:21188 diphosphopyridine nucleotide synthetase activity NAD synthase (AMP-forming) Catalysis of the reaction: deamido-NAD+ + NH4+ + ATP = AMP + diphosphate + NAD+ + H+. NAD synthase activity GO:0008749 molecular_function NAD synthetase activity EC:6.3.1.5 deamido-NAD+:ammonia ligase (AMP-forming) GO:0016965 NAD(+) synthetase activity acid-ammonia (or amide) ligase activity