Difference between revisions of "PurA"

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|style="background:#ABCDEF;" align="center"|'''Function''' || purine biosynthesis
 
|style="background:#ABCDEF;" align="center"|'''Function''' || purine biosynthesis
 
|-
 
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://cellpublisher.gobics.de/subtiexpress/ ''Subti''Express]''': [http://cellpublisher.gobics.de/subtiexpress/bsu/BSU40420 purA]
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://subtiwiki.uni-goettingen.de/apps/expression/ ''Subti''Express]''': [http://subtiwiki.uni-goettingen.de/apps/expression/expression.php?search=BSU40420 purA]
 
|-
 
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/purines_salvage_pathways.html Purine salvage], [http://subtiwiki.uni-goettingen.de/pathways/purine_biosynthesis.html Purine synthesis], [http://subtiwiki.uni-goettingen.de/pathways/gene_regulation_nucleotides.html Nucleotides (regulation)]'''
 
|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/purines_salvage_pathways.html Purine salvage], [http://subtiwiki.uni-goettingen.de/pathways/purine_biosynthesis.html Purine synthesis], [http://subtiwiki.uni-goettingen.de/pathways/gene_regulation_nucleotides.html Nucleotides (regulation)]'''
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|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[trnY-Lys]]'', ''[[yycE]]''
 
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[trnY-Lys]]'', ''[[yycE]]''
 
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|colspan="2" style="background:#FAF8CC;" align="center"|'''Get the DNA and protein [http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-e+&#91;EMBLCDS:CAB16079&#93;+-newId sequences] <br/> (Barbe ''et al.'', 2009)'''
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|style="background:#FAF8CC;" align="center"|'''Sequences'''||[http://bsubcyc.org/BSUB/sequence-aa?type=GENE&object=BSU40420 Protein] [http://bsubcyc.org/BSUB/sequence?type=GENE&object=BSU40420 DNA] [http://bsubcyc.org/BSUB/seq-selector?chromosome=CHROM-1&object=BSU40420 Advanced_DNA]
 
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|colspan="2" | '''Genetic context''' <br/> [[Image:purA_context.gif]]
 
|colspan="2" | '''Genetic context''' <br/> [[Image:purA_context.gif]]

Revision as of 14:19, 13 May 2013

  • Description: adenylosuccinate synthetase

Gene name purA
Synonyms
Essential no
Product adenylosuccinate synthetase
Function purine biosynthesis
Gene expression levels in SubtiExpress: purA
Metabolic function and regulation of this protein in SubtiPathways:
Purine salvage, Purine synthesis, Nucleotides (regulation)
MW, pI 47 kDa, 5.459
Gene length, protein length 1290 bp, 430 aa
Immediate neighbours trnY-Lys, yycE
Sequences Protein DNA Advanced_DNA
Genetic context
PurA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PurA expression.png




























Categories containing this gene/protein

biosynthesis/ acquisition of nucleotides, phosphoproteins

This gene is a member of the following regulons

PurR regulon

The gene

Basic information

  • Locus tag: BSU40420

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: GTP + IMP + L-aspartate = GDP + phosphate + N(6)-(1,2-dicarboxyethyl)-AMP (according to Swiss-Prot)
  • Protein family: adenylosuccinate synthetase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
    • phosphorylated on Arg-97 PubMed
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 1KJX (from Escherichia coli k12, 46% identity, 64% similarity) PubMed
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation: expression activated by glucose (4.9 fold) (CcpA) PubMed
    • repressed in the presence of purine nucleotides (PurR) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References