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Nicotinamide N-
methyltransferase
Aldehyde
oxidase
Aldehyde
oxidase
Purine
nucleoside
phosphorylase
Cytosolic
purine
5'-nucleotidase
Nicotinamide
phosphoribosyltransferase
ADP-ribosyl
cyclase 2
ADP-ribosyl
cyclase 2
Peroxisomal
NADH
pyrophosphatase
NUDT12
Ectonucleotide
pyrophosphatase/phosphodiesterase
family member 1
Nicotinamide
mononucleotide
adenylyltransferase
2
NAD(P)
transhydrogenase,
mitochondrial
NAD kinase
Glutamine-
dependent
NAD(+)
synthetase
Peroxisomal
NADH
pyrophosphatase
NUDT12
Nicotinamide
mononucleotide
adenylyltransferase
2
Nicotinamide
riboside kinase
1
Cytosolic
purine
5'-nucleotidase
Purine
nucleoside
phosphorylase
Nicotinate-
nucleotide
pyrophosphorylase
[carboxylating]
Peroxisomal
NADH
pyrophosphatase
NUDT12
Quinolinic acid
S-Adenosylmethionine
Niacinamide
S-Adenosylhomocysteine
1-Methylnicotinamide
O
2
H
2
O
N1-Methyl-2-pyridone-5-
carboxamide
H
2
O
2
H
2
O
O
2
N1-Methyl-4-pyridone-3-
carboxamide
H
2
O
2
Ribose-1-arsenate
Nicotinamide riboside
Phosphoric acid
P
i
Nicotinamide ribotide
H
2
O
Phosphoribosyl pyrophosphate
PP
i
P
i
Adenosine diphosphate ribose
NADP
H
2
O
Adenosine diphosphate ribose
NAD
H
2
O
H
2
O
AMP
H
2
O
AMP
PP
i
ATP
NADPH
NADH
ATP
ADP
Nicotinic acid adenine dinucleotide
ATP
H
2
O
L-Glutamine
AMP
PP
i
L-Glutamic acid
H
2
O
Nicotinic acid mononucleotide
AMP
ATP
PP
i
Nicotinate D-ribonucleoside
ATP
ADP
H
2
O
P
i
P
i
Nicotinic acid
Ribose 1-phosphate
H
+
PP
i
CO
2
Phosphoribosyl pyrophosphate
H
2
O
FAD
Molybdopterin
2Fe-2S
FAD
Molybdopterin
2Fe-2S
Magnesium
Magnesium
Magnesium
Magnesium
Magnesium
Magnesium
Magnesium
Tryptophan
Metabolism
Magnesium
Peroxisome
Mitochondrion
Intracellular Space
Extracellular Space
Peroxisome