Difference between revisions of "Ptb"

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Revision as of 13:51, 16 May 2013

  • Description: phosphate butyryltransferase

Gene name ptb
Synonyms yqiS, bkd
Essential no
Product phosphate butyryltransferase
Function utilization of branched-chain keto acids
Gene expression levels in SubtiExpress: ptb
Metabolic function and regulation of this protein in SubtiPathways:
Lipid synthesis, Ile, Leu, Val
MW, pI 31 kDa, 7.936
Gene length, protein length 897 bp, 299 aa
Immediate neighbours bcd, bkdR
Sequences Protein DNA DNA_with_flanks
Genetic context
Ptb context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
Ptb expression.png





























Categories containing this gene/protein

utilization of amino acids

This gene is a member of the following regulons

BkdR regulon, CodY regulon, SigL regulon

The gene

Basic information

  • Locus tag: BSU24090

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Butanoyl-CoA + phosphate = CoA + butanoylphosphate (according to Swiss-Prot)
  • Protein family: phosphate acetyltransferase and butyryltransferase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 1YCO (from Enterococcus faecalis v583, 36% identity, 56% similarity)
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • induced in the presence of isoleucine or valine (BkdR) PubMed
  • 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