Difference between revisions of "GapB"

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|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1020 bp, 340 amino acids
 
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1020 bp, 340 amino acids
 
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|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[ytcD]]'', ''[[speD]]''
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|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[speD]]'', ''[[ytcD]]''
 
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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:CAB14862&#93;+-newId sequences] <br/> (Barbe ''et al.'', 2009)'''
 
|colspan="2" style="background:#FAF8CC;" align="center"|'''Get the DNA and protein [http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-e+&#91;EMBLCDS:CAB14862&#93;+-newId sequences] <br/> (Barbe ''et al.'', 2009)'''

Revision as of 09:16, 7 December 2009

  • Description: glyceraldehyde-3-phosphate dehydrogenase, NADP-dependent, gluconeogenic enzyme

Gene name gapB
Synonyms ppc
Essential no
Product glyceraldehyde-3-phosphate dehydrogenase 2
Function anabolic enzyme in gluconeogenesis
Metabolic function and regulation of this protein in SubtiPathways:
Cys, Met & Sulfate assimilation, Central C-metabolism
MW, pI 37,3 kDa, 6.47
Gene length, protein length 1020 bp, 340 amino acids
Immediate neighbours speD, ytcD
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
GapB context.gif
This image was kindly provided by SubtiList







The gene

Basic information

  • Locus tag: BSU29020

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: D-glyceraldehyde 3-phosphate + phosphate + NAD(P)+ = 3-phospho-D-glyceroyl phosphate + NAD(P)H (according to Swiss-Prot)
    • This reaction is part of the gluconeogenesis
  • Protein family: glyceraldehyde-3-phosphate dehydrogenase family (according to Swiss-Prot)
  • Paralogous protein(s): GapA

Extended information on the protein

  • Kinetic information: Michaelis-Menten PubMed
  • Domains:
    • Nucleotid bindinge domain (12-13)
    • 2x Glyceraldehyde 3-phosphate binding domain (151-153) & (210-211)
  • Modification:
  • Cofactor(s): NADP (preferentially) and NAD PubMed
  • Effectors of protein activity:
  • Interactions:
  • Localization: Cytoplasm (Homogeneous) PubMed

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation: repressed (70-times) by Glc, repressor CcpN PubMed
  • Regulatory mechanism: transcription repression
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • Antibody:

Labs working on this gene/protein

Stephane Aymerich, Microbiology and Molecular Genetics, INRA Paris-Grignon, France

Your additional remarks

References