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purK
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purK

phosphoribosylaminoimidazole carboxylase (ATP-dependent)
locus
BSU_06430
pI
5.12
mw
42.00 kDa
protein length
380 aa Sequence Blast
gene length
1143 bp Sequence Blast
function
purine biosynthesis
product
phosphoribosylaminoimidazole carboxylase (ATP-dependent)
essential
no
ec
4.1.1.21
synonyms
Outlinks
KEGGBsubCycSubtiListUniProtExpression Browser

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.5|Nucleotide metabolism] → [category|SW 2.5.2|Biosynthesis/ acquisition of nucleotides] → [category|SW 2.5.2.1|Biosynthesis/ acquisition of purine nucleotides]

    • Gene

    Coordinates
    699,093 700,235

    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)

    • Paralogous protein(s)

  • [protein|C00E34EF63B5EAE33CAD5E469893C0A5112B9F35|PurT]

    • [SW|Domains]

  • [SW|ATP-grasp doamin] (aa 112-298) (according to UniProt)

    • Structure

  • [PDB|2Z04] (from ''Aquifex aeolicus'', 37% identity, 57% similarity)

    • 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]

    sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|3036807], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]

    • regulatory mechanism

  • [regulon|G-box|G-box]: termination, ([SW|riboswitch]) [pubmed|3036807,12787499], in [regulon|G-box|G-box]
  • [protein|A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|PurR]: repression, (molecular inducer: PRPP) [Pubmed|7638212,2536750], in [regulon|A8C82F5825DE0921DA6B4ACDE0CC31EC7749273C|PurR regulon]

    • regulation

  • expression activated by glucose (4.4 fold) [Pubmed|12850135]
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    Biological materials

    Mutant

  • BKE06430 ([gene|0DA73E4D1935F6A91BE251EF2704A11DE5D81174|purK]::erm trpC2) available at [http://www.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://www.bgsc.org/getdetail.php?bgscid=BKK06430 BGSC], [Pubmed|28189581], upstream reverse: _UP1_TACAGCTCCCGGATAGATGA, downstream forward: _UP4_AATAGAGACGGAGGACAAGC

    • References

  • 3036807,12923093,7638212