4-Phospho-D-
erythronate
Glyceraldehyde-
3-phosphate
dehydrogenase 1
Formate
dehydrogenase 2
3-phosphoserine
aminotransferase
/
phosphohydroxythreonine
aminotransferase
4-hydroxy-L-
threonine
phosphate
dehydrogenase,
NAD-dependent
Pyridoxal
kinase
Pyridoxine
5'-phosphate
oxidase
Pyridoxine
5'-phosphate
oxidase
Pyridoxal
kinase
1-
deoxyxylulose-
5-phosphate
synthase
D-Erythrose
4-phosphate
NAD
H2O
NADH
H+
NAD
NADH
H+
2-Oxo-3-
hydroxy-4-
phosphobutanoic
acid
L-Glutamic acid
O-Phospho-4-
hydroxy-L-
threonine
Oxoglutaric
acid
NAD
NADH
H+
2-Amino-3-
oxo-4-
phosphonooxybutyrate
H+
2-Amino-3-
phosphonopropionic
acid
CO2
1-Deoxy-D-
xylulose
5-phosphate
Pyridoxine
5'-phosphate
Pi
H+
H2O
Pyridoxine
ATP
ADP
H+
O2
Pyridoxal
5'-phosphate
H2O2
Pyridoxal
ATP
ADP
Pyridoxamine
5'-phosphate
O2
H2O
H2O2
Ammonium
Pyridoxamine
ATP
ADP
D-
Glyceraldehyde
3-phosphate
Pyruvic acid
H+
CO2
Pyridoxine
5'-phosphate
synthase
Pyridoxal
kinase
VITAMIN B6
Spontaneous
Reversible
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