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Transketolase
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Transketolase (TK) (Gen: TKT) ist der Name fΓΌr Enzyme, die eine Ketogruppe von Xylulose-5-phosphat auf ein Aldol ΓΌbertragen, meist Ribose-5-phosphat. Dieser Reaktionsschritt, zusammen mit dem der Transaldolase, verbindet die Glykolyse mit dem Pentosephosphatweg. Transketolasen kommen in Bakterien, Pflanzen und Tieren vor. In SΓ€ugetieren haben sich mehrere Isoformen gebildet, wie beispielsweise Transketolase-like-1. Mutationen am TKT-Gen fΓΌhren zum Mangel an Transketolase-AktivitΓ€t, was zusammen mit Mangel an ihrem Coenzym Thiamin (Vitamin B1) zum Wernicke-Korsakow-Syndrom bei Alkoholikern fΓΌhrt.cite-ref-1[1]
Contents
β’ Einzelnachweise
β’ Weblinks
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Katalysierte Reaktion
Einzelnachweise
Weblinks
Wikibooks: Biochemie und Pathobiochemie: Hexosemonophosphatweg
β Lern- und Lehrmaterialien