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Pyrazinamidase/nicotinamidase NMN amidohydrolase Nicotinate- nucleotide adenylyltransferase Transcriptional regulator nadR Transcriptional regulator nadR Nicotinate phosphoribosyltransferase NH(3)-dependent NAD(+) synthetase NAD NAD H2O H+ AMP β-nicotinamide D- ribonucleotide H2O H+ D-ribofuranose 5-phosphate Niacinamide H2O Ammonium Nicotinic acid H2O Ammonium nicotinate β-D- ribonucleotide ATP H+ PPi Nicotinic acid adenine dinucleotide Nicotinamide riboside ATP ADP H+ β-nicotinamide D- ribonucleotide ATP H+ PPi H2O Pi NADP H2O Pi H2O ATP Phosphoribosyl pyrophosphate Pi ADP PPi H2O L-Glutamine ATP H+ AMP PPi L-Glutamic acid NAD Biosynthesis
pncA pncC nadD nadR nadR pncB nadE NAD NAD Water Hydrogen Ion Adenosine monophosphate β-nicotinamide D- ribonucleotide Water Hydrogen Ion D-ribofuranose 5-phosphate Niacinamide Water Ammonium Nicotinic acid Water Ammonium nicotinate β-D- ribonucleotide Adenosine triphosphate Hydrogen Ion Pyrophosphate Nicotinic acid adenine dinucleotide Nicotinamide riboside Adenosine triphosphate Adenosine diphosphate Hydrogen Ion β-nicotinamide D- ribonucleotide Adenosine triphosphate Hydrogen Ion Pyrophosphate Water Phosphate NADP Water Phosphate Water Adenosine triphosphate Phosphoribosyl pyrophosphate Phosphate Adenosine diphosphate Pyrophosphate Water L-Glutamine Adenosine triphosphate Hydrogen Ion Adenosine monophosphate Pyrophosphate L-Glutamic acid NAD Biosynthesis