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Vitamin B6 activation to pyridoxal phosphate
Stable Identifier
R-HSA-964975
Type
Pathway
Species
Homo sapiens
ReviewStatus
5/5
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Metabolism (Homo sapiens)
Metabolism of vitamins and cofactors (Homo sapiens)
Metabolism of water-soluble vitamins and cofactors (Homo sapiens)
Vitamin B6 activation to pyridoxal phosphate (Homo sapiens)
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Animals cannot synthesize pyridoxal 5'-phosphate (PLP) which is a ligand in aminotransferases and other enzymes. PLP's accessible derivatives pyridoxine, pyridoxal, and pyridoxamine are traditionally called vitamins B6. They are taken up nutritionally from bacteria and plants, but also created from PLP in the body. The pathways used to recycle PLP from these three compounds can therefore be called vitamin B6 activation as well as PLP salvage. Because of the close similarity of the molecules, only two enzymes are needed for the task (McCormick & Chen, 1999).
Literature References
PubMed ID
Title
Journal
Year
10024608
Update on interconversions of vitamin B-6 with its coenzyme
McCormick, DB
,
Chen, H
J Nutr
1999
Participants
Events
2xPDXK:2xZn2+ phosphorylates PXL
(Homo sapiens)
2xPDXK:2xZn2+ phosphorylates PXA
(Homo sapiens)
2xPDKX:2xZn2+ phosphorylates PDX
(Homo sapiens)
2xPNPO:2xFMN oxidizes PXAP to PXLP
(Homo sapiens)
2xPNPO:2xFMN oxidizes PDXP to PXLP
(Homo sapiens)
AOX1 oxidises PXL to PDXate
(Homo sapiens)
Participates
as an event of
Metabolism of water-soluble vitamins and cofactors (Homo sapiens)
Event Information
Go Biological Process
vitamin B6 metabolic process (0042816)
Orthologous Events
Vitamin B6 activation to pyridoxal phosphate (Bos taurus)
Vitamin B6 activation to pyridoxal phosphate (Caenorhabditis elegans)
Vitamin B6 activation to pyridoxal phosphate (Canis familiaris)
Vitamin B6 activation to pyridoxal phosphate (Danio rerio)
Vitamin B6 activation to pyridoxal phosphate (Dictyostelium discoideum)
Vitamin B6 activation to pyridoxal phosphate (Drosophila melanogaster)
Vitamin B6 activation to pyridoxal phosphate (Gallus gallus)
Vitamin B6 activation to pyridoxal phosphate (Mus musculus)
Vitamin B6 activation to pyridoxal phosphate (Plasmodium falciparum)
Vitamin B6 activation to pyridoxal phosphate (Rattus norvegicus)
Vitamin B6 activation to pyridoxal phosphate (Saccharomyces cerevisiae)
Vitamin B6 activation to pyridoxal phosphate (Schizosaccharomyces pombe)
Vitamin B6 activation to pyridoxal phosphate (Sus scrofa)
Vitamin B6 activation to pyridoxal phosphate (Xenopus tropicalis)
Authored
Stephan, R (2010-09-16)
Reviewed
D'Eustachio, P (2010-11-08)
Created
Jassal, B (2010-09-20)
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