Difference between revisions of "LysC"

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** subject to Clp-dependent proteolysis upon glucose starvation [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed], also degraded upon ammonium or amino acid starvation [http://www.ncbi.nlm.nih.gov/sites/entrez/2168395 PubMed]
 
** subject to Clp-dependent proteolysis upon glucose starvation [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed], also degraded upon ammonium or amino acid starvation [http://www.ncbi.nlm.nih.gov/sites/entrez/2168395 PubMed]
 
** belongs to the 100 [[most abundant proteins]] {{PubMed|15378759}}
 
** belongs to the 100 [[most abundant proteins]] {{PubMed|15378759}}
 +
** number of protein molecules per cell (minimal medium with glucose and ammonium): 1459 {{PubMed|24696501}}
  
 
=Biological materials =
 
=Biological materials =

Revision as of 09:59, 17 April 2014

  • Description: aspartokinase II (alpha and beta subunits)

Gene name lysC
Synonyms ask, aecA
Essential no
Product aspartokinase II (alpha and beta subunits)
Function biosynthesis of lysine
Gene expression levels in SubtiExpress: lysC
Metabolic function and regulation of this protein in SubtiPathways:
lysC
MW, pI 43 kDa, 4.643
Gene length, protein length 1224 bp, 408 aa
Immediate neighbours yslB, uvrC
Sequences Protein DNA DNA_with_flanks
Genetic context
LysC context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
LysC expression.png















Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, most abundant proteins

This gene is a member of the following regulons

L-box

The gene

Basic information

  • Locus tag: BSU28470

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + L-aspartate = ADP + 4-phospho-L-aspartate (according to Swiss-Prot)
  • Protein family: aspartokinase family (according to Swiss-Prot)
  • Paralogous protein(s): DapG

Extended information on the protein

  • Kinetic information:
  • Modification:
  • Effectors of protein activity:

Database entries

  • Structure: 2RE1 (from Neisseria meningitidis mc58, 40% identity, 58% similarity)
  • KEGG entry: [3]

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed, also degraded upon ammonium or amino acid starvation PubMed

Expression and regulation

  • Regulation:
    • repressed in the presence of lysine (L-box) PubMed
    • expression activated by glucose (5.4 fold) PubMed
    • repressed by casamino acids PubMed
  • Regulatory mechanism:
    • L-box: a riboswich that mediates transcription terimnation antitermination control PubMed
  • 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
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 1459 PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Reviews

Original Publications

The L-box riboswitch


Other original Publications