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Information on EC - pyridoxal 5'-phosphate synthase

for references in articles please use BRENDA:EC1.4.3.5
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IUBMB Comments
A flavoprotein (FMN). In Escherichia coli, the coenzyme pyridoxal 5'-phosphate is synthesized de novo by a pathway that involves EC (erythrose-4-phosphate dehydrogenase), EC (4-phosphoerythronate dehydrogenase), EC (phosphoserine transaminase), EC (4-hydroxythreonine-4-phosphate dehydrogenase), EC (pyridoxine 5'-phosphate synthase) and EC (with pyridoxine 5'-phosphate as substrate). N4'-Substituted pyridoxamine derivatives are also oxidized in reaction (1) to form pyridoxal 5-phosphate and the corresponding primary amine.
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The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
pyridoxine 5'-phosphate oxidase, pyridoxine phosphate oxidase, pnp oxidase, pyridox(am)ine 5'-phosphate oxidase, pnpox, pyridoxine-5'-phosphate oxidase, pyridoxamine 5'-phosphate oxidase, pyridoxamine phosphate oxidase, pyridoxine (pyridoxamine) phosphate oxidase, pyridoxine (pyridoxamine) 5'-phosphate oxidase, more
pyridoxamine 5'-phosphate + H2O + O2 = pyridoxal 5'-phosphate + NH3 + H2O2
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pyridoxine 5'-phosphate + O2 = pyridoxal 5'-phosphate + H2O2
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