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Linkage between catalytic mechanism and conformational dynamics in (βα)₈-barrel enzymes at the example of Imidazole Glycerol Phosphate Synthase

URN to cite this document:
urn:nbn:de:bvb:355-epub-437726
DOI to cite this document:
10.5283/epub.43772
Hupfeld, Enrico
Date of publication of this fulltext: 30 Jun 2021 06:10


Abstract (English)

Imidazole glycerol phosphate synthase (ImGPS) is a bienzyme complex from histidine biosynthesis, which consists of the cyclase subunit HisF and the glutaminase subunit HisH. In HisH, glutamine is hydrolysed to glutamate and ammonia, which is channelled through an intramolecular tunnel to the HisF active site, where it reacts with N’-[(5’-phosphoribulosyl)-formimino]-5-aminoimidazole-4-carboxamide ...

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Translation of the abstract (German)

Die Imidazolglycerinphosphatsynthase (ImGPS) ist ein Bienzymkomplex aus der Histidinbiosynthese, welcher aus der Cyclaseuntereinheit HisF und der Glutaminaseuntereinheit HisH besteht. In HisH wird Glutamin zu Glutamat und Ammoniak hydrolysiert, der dann durch einen intramolekularen Kanal zum aktiven Zentrum von HisF gelangt und dort mit ...

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