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hisH [2019-08-09 13:45:11]
imidazole glycerol phosphate synthase (glutaminase subunit)
function
biosynthesis of histidine
product
imidazole glycerol phosphate synthase (glutaminase subunit)
Genomic Context
categories
[category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.1|Biosynthesis/ acquisition of amino acids] → [category|SW 2.3.1.14|Biosynthesis/ acquisition of histidine]Gene
Coordinates
3,585,051 → 3,585,689
The protein
Catalyzed reaction/ biological activity
5-[(5-phospho-1-deoxyribulos-1-ylamino)methylideneamino]-1-(5-phosphoribosyl)imidazole-4-carboxamide L-glutamine = imidazole-glycerol phosphate 5-aminoimidazol-4-carboxamide ribonucleotide L-glutamate H2O (according to Swiss-Prot)Structure
[PDB|1KA9] (the [protein|C22C15754859B2510E52622E6A5DFAF97A7AD4E5|HisF]-[protein|DEB3122A3EA36545759FAA6F86F71F971CA5F011|HisH] complex from ''Thermus thermophilus'', 39% identity) [Pubmed|12417026][SW|Localization]
cytoplasm (according to Swiss-Prot)Expression and Regulation
Operons
genes
[gene|E8FD92F48BE16F87D7481262F4E49003A78DE78F|hisZ]-[gene|183C8B4F28E601D670B3D997D333AF2B5C4A4759|hisG]-[gene|03274B80B2DFE0A2939981B0E0CB8C34A9B0B102|hisD]-[gene|88ED20DFEBD5D7B985F99D4494142FBA699A1E91|hisB]-[gene|DEB3122A3EA36545759FAA6F86F71F971CA5F011|hisH]-[gene|148F0C7983250F50676D234DB713E532AA55DDBF|hisA]-[gene|C22C15754859B2510E52622E6A5DFAF97A7AD4E5|hisF]-[gene|5C84CA2A9E22173E144F519389F545F107A267D9|hisI]
description
[Pubmed|12107147]
regulatory mechanism
[protein|F4097349A563503468A2A14F062AEAC532C7917A|YlxR]: regulation, [pubmed|30355672], in [regulon|F4097349A563503468A2A14F062AEAC532C7917A|YlxR regulon]regulation
expression during spore [SW|germination] is strongly reduced under conditions of osmotic stress [Pubmed|27766092]expression depends on functional [protein|F4097349A563503468A2A14F062AEAC532C7917A|YlxR] [pubmed|30355672]view in new tabBiological materials
Mutant
BKE34890 (Δ[gene|DEB3122A3EA36545759FAA6F86F71F971CA5F011|hisH]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE34890 BGSC], [Pubmed|28189581], upstream reverse: _UP1_TCCGTAATCTATCACGCCGA, downstream forward: _UP4_GCAGCAGAACAGAAGGTGAABKK34890 (Δ[gene|DEB3122A3EA36545759FAA6F86F71F971CA5F011|hisH]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK34890 BGSC], [Pubmed|28189581], upstream reverse: _UP1_TCCGTAATCTATCACGCCGA, downstream forward: _UP4_GCAGCAGAACAGAAGGTGAAReferences
Reviews
Original publications
3106153,12107147,12417026,27766092