purK
168
phosphoribosylaminoimidazole carboxylase (ATP-dependent)
locus
BSU_06430
Molecular weight
42.00 kDa
pI
5.12
function
purine biosynthesis
product
phosphoribosylaminoimidazole carboxylase (ATP-dependent)
essential
no
ec
4.1.1.21
synonyms
purK
Outlinks
Genomic Context
Categories containing this gene/protein
List of homologs in different organisms, belongs to COG0026 (Galperin et al., 2021)
This gene is a member of the following regulons
Gene
Coordinates
699,093 700,235
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The protein
Catalyzed reaction/ biological activity
5-amino-1-(5-phospho-β-D-ribosyl)imidazole + ATP + hydrogencarbonate --> 5-carboxyamino-1-(5-phospho-D-ribosyl)imidazole + ADP + 2 H+ + phosphate(according to UniProt)
Protein family
PurK/PurT family (with [protein|C00E34EF63B5EAE33CAD5E469893C0A5112B9F35|purT], according to UniProt)
[wiki|Domains]
[wiki|ATP-grasp doamin] (aa 112-298) (according to UniProt)
Structure
[PDB|2Z04] (from ''Aquifex aeolicus'', 37% identity, 57% similarity)
[AF|P12045]
Paralogous protein(s)
[protein|C00E34EF63B5EAE33CAD5E469893C0A5112B9F35|purT]
Expression and Regulation
Operons
genes
[gene|1A9F7847AA1EB2A264842B44CD1B1A21F0AF6E57|purE]-[gene|0DA73E4D1935F6A91BE251EF2704A11DE5D81174|purK]-[gene|29FF54E2B9F4A11811F5E15885A4C02A259C7B35|purB]-[gene|447D12E940C7F45B6C5015844F9DED9D513CD6E5|purC]-[gene|CCD4DA969086181CFA33D6D241F2CAAE02E0C758|purS]-[gene|DEE856E83E790EB57F103F7A9156408AF090995D|purQ]-[gene|D34203FAA84C19B34B3CB5F00AC2E2663FFA344D|purL]-[gene|4AA5AF9C7CE8D0A9FD3A47650ECF130BCBEE1952|purF]-[gene|AD0DE9457D70DF02FA0F58867B24ABF236FAF65A|purM]-[gene|7B30F27D6C459437967A64467E52961F4A9E0F2C|purN]-[gene|54CE8EB2F5D1F9AEAA497E1F60248C9B2250B01E|purH]-[gene|9BBA22B09C6DD6C36E043D44B0F54BD0FFA5BA0E|purD]
description
[Pubmed|3036807]
regulation
expression activated by glucose (4.4 fold) [Pubmed|12850135]
regulatory mechanism
G-box: RNA switch, ([wiki|riboswitch]) [pubmed|3036807,12787499], in [regulon|other_regulator:G-box|G-box]
[protein|A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|purR]: repression, (molecular inducer: PRPP) [Pubmed|7638212,2536750], in [regulon|protein:A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|purR regulon]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|3036807], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
Biological materials
Mutant
BKE06430 ([gene|0DA73E4D1935F6A91BE251EF2704A11DE5D81174|purK]::erm trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE06430 BGSC], [Pubmed|28189581], upstream reverse: _UP1_TACAGCTCCCGGATAGATGA, downstream forward: _UP4_AATAGAGACGGAGGACAAGC
BKK06430 ([gene|0DA73E4D1935F6A91BE251EF2704A11DE5D81174|purK]::kan trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK06430 BGSC], [Pubmed|28189581], upstream reverse: _UP1_TACAGCTCCCGGATAGATGA, downstream forward: _UP4_AATAGAGACGGAGGACAAGC
References
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Time of last update: 2024-10-02 17:37:44
Author of last update: Melvin.boenninger