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