Difference between revisions of "PrfA"

From SubtiWiki
Jump to: navigation, search
Line 54: Line 54:
 
=== Basic information/ Evolution ===
 
=== Basic information/ Evolution ===
  
* '''Catalyzed reaction/ biological activity:'''  
+
* '''Catalyzed reaction/ biological activity:''' binds to the ribosome through specific recognition of messenger RNA stop codons and triggers hydrolysis of the bond between the nascent polypeptide and the transfer RNA at the peptidyl-tRNA site, thereby releasing the newly synthesized protein. PrfA is highly specific for a U in the first stop-codon position and recognizes UAA and UAG
  
 
* '''Protein family:''' prokaryotic/mitochondrial release factor family (according to Swiss-Prot)
 
* '''Protein family:''' prokaryotic/mitochondrial release factor family (according to Swiss-Prot)
Line 120: Line 120:
 
=References=
 
=References=
  
<pubmed>12237459,, </pubmed>
+
<pubmed>12237459, 20512119, </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 12:32, 22 June 2010

  • Description: peptide chain release factor 1

Gene name prfA
Synonyms
Essential yes PubMed
Product peptide chain release factor 1
Function translation
MW, pI 40 kDa, 4.824
Gene length, protein length 1068 bp, 356 aa
Immediate neighbours ywkE, ywkD
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
PrfA context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU37010

Phenotypes of a mutant

essential PubMed

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: binds to the ribosome through specific recognition of messenger RNA stop codons and triggers hydrolysis of the bond between the nascent polypeptide and the transfer RNA at the peptidyl-tRNA site, thereby releasing the newly synthesized protein. PrfA is highly specific for a U in the first stop-codon position and recognizes UAA and UAG
  • Protein family: prokaryotic/mitochondrial release factor family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions:
  • Localization: cytoplasm (according to Swiss-Prot)

Database entries

  • Structure:
  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Regulation:
  • 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

Johan Sund, Martin Andér, Johan Aqvist
Principles of stop-codon reading on the ribosome.
Nature: 2010, 465(7300);947-50
[PubMed:20512119] [WorldCat.org] [DOI] (I p)

Daniel J Rigden, Peter Setlow, Barbara Setlow, Irina Bagyan, Richard A Stein, Mark J Jedrzejas
PrfA protein of Bacillus species: prediction and demonstration of endonuclease activity on DNA.
Protein Sci: 2002, 11(10);2370-81
[PubMed:12237459] [WorldCat.org] [DOI] (P p)