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lysC [2019-07-10 17:06:33]
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lysC [2019-07-10 17:06:33]

aspartokinase II (alpha and beta subunits)
Locus
BSU28470
Isoelectric point
4.64
Molecular weight
43.65 kDa
Protein length
408 aa Sequence Blast
Gene length
1227 bp Sequence Blast
Function
biosynthesis of lysine
Product
aspartokinase II (alpha and beta subunits)
Essential
no
E.C.
2.7.2.4
Synonyms
ask,aecA

Genomic Context

      
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Categories containing this gene/protein

Gene

Coordinates
2,909,520 → 2,910,746

The protein

Catalyzed reaction/ biological activity

  • ATP + L-aspartate --> ADP + 4-phospho-L-aspartate (according to UniProt)
  • Protein family

  • aspartokinase family (with DapG and ThrD, according to UniProt)
  • Paralogous protein(s)

    Domains

  • two C-terminal ACT domains (aa 264 ... 337, and aa 343 ...408) (according to the Interpro database)
  • Structure

  • 2RE1 (from Neisseria meningitidis mc58, 40% identity, 58% similarity)
  • Localization

  • cytoplasm (according to UniProt)
  • Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed, also degraded upon ammonium or amino acid starvation PubMed
  • belongs to the 100 most abundant proteins PubMed
  • Expression and Regulation

    Operons

    Genes
    Description

    Regulatory mechanism

  • L-box: transcription termination/antitermination, via a riboswitch, in L-box
  • Regulation

  • expression activated by glucose (5.4 fold) PubMed
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    Biological materials

    Mutant

  • BKE28470 (ΔlysC::erm trpC2) available at BGSC, PubMed, upstream reverse: _UP1_CATGTATTACCACCCTTTAC, downstream forward: _UP4_TAATGACAATCAAAAAGGCG
  • BKK28470 (ΔlysC::kan trpC2) available at BGSC, PubMed, upstream reverse: _UP1_CATGTATTACCACCCTTTAC, downstream forward: _UP4_TAATGACAATCAAAAAGGCG
  • References

    Reviews

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    The L-box riboswitch

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