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The biosynthesis of the enzyme cofactor pyridoxal-5-phosphate (PLP). PLP is versatile cofactor that is involved in a number of transamination, decarboxylation, synthetic and elimination reactions in metabolism. 
Website=www.biocyc.org/Ecoli/Pathways/
free text=Voet and Voet  (textbook)  Biochemistry
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<species compartment="default" id="s17" initialAmount="0.0" name="glyceraldehyde-3-_br_phosphate pyruvate">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  glyceraldehyde-3-phosphate pyruvate
Synonym:  Synonym not specified
Accession:  S03896
</body>
</html>
</notes>
<annotation>
<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
<celldesigner:speciesIdentity>
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</annotation>
</species>
<species compartment="default" id="s18" initialAmount="0.0" name="Erythrose-4-phosphate_br_dehydrogenase">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  Erythrose-4-phosphate dehydrogenase
Synonym:  Synonym not specified
Accession:  P03056
</body>
</html>
</notes>
<annotation>
<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
<celldesigner:speciesIdentity>
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</celldesigner:speciesIdentity>
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</celldesigner:listOfCatalyzedReactions>
</annotation>
</species>
<species compartment="default" id="s19" initialAmount="0.0" name="Erythronate-4-phosphate_br_dehydrogenase">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  Erythronate-4-phosphate dehydrogenase
Synonym:  Synonym not specified
Accession:  P03059
</body>
</html>
</notes>
<annotation>
<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
<celldesigner:speciesIdentity>
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</celldesigner:speciesIdentity>
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</celldesigner:listOfCatalyzedReactions>
</annotation>
</species>
<species compartment="default" id="s20" initialAmount="0.0" name="Phosphohydroxythreonine_br_aminotransferase">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  Phosphohydroxythreonine aminotransferase
Synonym:  Synonym not specified
Accession:  P03058
</body>
</html>
</notes>
<annotation>
<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
<celldesigner:speciesIdentity>
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</celldesigner:speciesIdentity>
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</celldesigner:listOfCatalyzedReactions>
</annotation>
</species>
<species compartment="default" id="s22" initialAmount="0.0" name="1-Deoxyxylulose-5-_br_phosphate synthase">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  1-Deoxyxylulose-5-phosphate synthase
Synonym:  Synonym not specified
Accession:  P03062
</body>
</html>
</notes>
<annotation>
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<celldesigner:speciesIdentity>
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</celldesigner:speciesIdentity>
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</annotation>
</species>
<species compartment="default" id="s23" initialAmount="0.0" name="Pyridoxine-5-phosphate_br_synthase">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  Pyridoxine-5-phosphate synthase
Synonym:  Synonym not specified
Accession:  P03060
</body>
</html>
</notes>
<annotation>
<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
<celldesigner:speciesIdentity>
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</celldesigner:listOfCatalyzedReactions>
</annotation>
</species>
<species compartment="default" id="s24" initialAmount="0.0" name="Pyridoxine-5-phosphate_br_oxidase">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  Pyridoxine-5-phosphate oxidase
Synonym:  Synonym not specified
Accession:  P03061
</body>
</html>
</notes>
<annotation>
<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
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</celldesigner:listOfCatalyzedReactions>
</annotation>
</species>
<species compartment="default" id="s25" name="Pyruvate">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  Pyruvate
Synonym:  Synonym not specified
Accession:  S04841
</body>
</html>
</notes>
<annotation>
<celldesigner:positionToCompartment>inside</celldesigner:positionToCompartment>
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</annotation>
</species>
<species compartment="default" id="s21" initialAmount="0.0" name="PDX dehydrogenase-_br_decarboxylase">
<notes>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--Notes by CellDesigner-->
<body>
Long Name:  Phospho-hydroxy-threonine dehydrogenase
Synonym:  Synonym not specified
Accession:  P03057
</body>
</html>
</notes>
<annotation>
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