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    J Bacteriol. 1998 Aug;180(16):4294-9.

    Involvement of the gapA- and epd (gapB)-encoded dehydrogenases in pyridoxal 5'-phosphate coenzyme biosynthesis in Escherichia coli K-12.

    Yang Y, Zhao G, Man TK, Winkler ME.

    Department of Microbiology and Molecular Genetics, University of Texas Houston Medical School, Houston, Texas 77030-1501, USA.

    We show that epd (gapB) mutants lacking an erythrose 4-phosphate (E4P) dehydrogenase are impaired for growth on some media and contain less pyridoxal 5'-phosphate (PLP) and pyridoxamine 5'-phosphate (PMP) than their epd+ parent. In contrast to a previous report, we found that gapA epd double mutants lacking the glyceraldehyde 3-phosphate and E4P dehydrogenases are auxotrophic for pyridoxine. These results implicate the GapA and Epd dehydrogenases in de novo PLP and PMP coenzyme biosynthesis.

    PMID: 9696782 [PubMed - indexed for MEDLINE]

    PMCID: 107430

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      Pyridoxine, vitamin B6, is required by your body for utilization of energy in the foods you eat, production of red blood cells, and proper functioning of nerves. It is used to treat and prevent vitamin B6 deficiency resu...

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