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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