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DBpedia 2014

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Matches in DBpedia 2014 for { ?s ?p In enzymology, an imidazoleglycerol-phosphate dehydratase (EC 4.2.1.19) is an enzyme that catalyzes the chemical reactionD-erythro-1-(imidazol-4-yl)glycerol 3-phosphate 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2OHence, this enzyme has one substrate, D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate, and two products, 3-(imidazol-4-yl)-2-oxopropyl phosphate and H2O. This reaction is the seventh step in the biosynthesis of histidine in bacteria, fungi and plants.This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is D-erythro-1-(imidazol-4-yl)glycerol-3-phosphate hydro-lyase [3-(imidazol-4-yl)-2-oxopropyl-phosphate-forming]. Other names in common use include IGP dehydratase, and D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate hydro-lyase. This enzyme participates in histidine metabolism as it is involved in the 6th step of histidine biosynthesis as part of a nine step cyclical pathway. IGPD is a recognised novel herbicide target as animals do not have an IGPDThere are two isoforms of IGPD; IGPD1 and IGPD2. The different isoforms are highly conserved with only 8 amino acids differing between them. These subtle differences however affect their activity but as yet it is unknown how.In most organisms IGPD is a monofunctional protein of about 22 to 29 kD. In some bacteria such as Escherichia coli, it is the C-terminal domain of a bifunctional protein that include a histidinol-phosphatase domain. In E. coli, this is the protein encoded by the hisB gene.. }

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