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BRENDA KEGG MetaCyc

vitamin B6 metabolism (BRENDA)

:= BRENDA, := KEGG, := MetaCyc, := SABIO-RK
:= amino acid sequences := show the reaction diagram
EC Number
Reaction
Pathways
Reaction IDs
Stoichiometry Check
Missing Substrate
Missing Product
Commentary
Remark
pyridoxal 5'-phosphate synthase (glutamine hydrolysing)
D-ribose 5-phosphate + D-glyceraldehyde 3-phosphate + L-glutamine = pyridoxal 5'-phosphate + L-glutamate + 3 H2O + phosphate
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: two-step reaction (see R00256+R10088)
natural substrates
erythrose-4-phosphate dehydrogenase
D-erythrose 4-phosphate + NAD+ + H2O = 4-phosphoerythronate + NADH + 2 H+
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: epd
natural substrates
4-phosphoerythronate dehydrogenase
4-phospho-D-erythronate + NAD+ = (3R)-3-hydroxy-2-oxo-4-phosphooxybutanoate + NADH + H+
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natural substrates
phosphoserine transaminase
4-phosphooxy-L-threonine + 2-oxoglutarate = (3R)-3-hydroxy-2-oxo-4-phosphooxybutanoate + L-glutamate
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natural substrates
4-hydroxythreonine-4-phosphate dehydrogenase
4-(phosphohydroxy)-L-threonine + NAD+ = 2-amino-3-oxo-4-phosphohydroxybutyrate + NADH
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: first step of two-step reaction (see R05837, R05681+R07406)
natural substrates
0.0.0.0
spontaneous reaction
(2S)-2-amino-3-oxo-4-phosphonooxybutanoate + H+ = 3-amino-1-hydroxyacetone 1-phosphate + CO2
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: spontaneous second step of two-step reaction (see R05837, R05681+R07406)
natural substrates
4-hydroxythreonine-4-phosphate dehydrogenase
(2S)-2-amino-3-oxo-4-phosphonooxybutanoate + H+ = 3-amino-1-hydroxyacetone 1-phosphate + CO2
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: spontaneous second step of two-step reaction (see R05837, R05681+R07406)
natural substrates
pyridoxine 5'-phosphate synthase
1-deoxy-D-xylulose 5-phosphate + 3-amino-2-oxopropyl phosphate = pyridoxine 5'-phosphate + phosphate + 2 H2O
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natural substrates
pyridoxal kinase
ATP + pyridoxamine = ADP + pyridoxamine 5'-phosphate
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natural substrates
hydroxymethylpyrimidine kinase
ATP + pyridoxamine = ADP + pyridoxamine 5'-phosphate
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natural substrates
pyridoxal 5'-phosphate synthase
pyridoxamine 5'-phosphate + H2O + O2 = pyridoxal 5'-phosphate + NH3 + H2O2
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natural substrates