PolX

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  • Description: DNA polymerase X, involved in DNA repair

Gene name polX
Synonyms yshC
Essential no
Product DNA polymerase X
Function DNA repair
MW, pI 63 kDa, 5.308
Gene length, protein length 1710 bp, 570 aa
Immediate neighbours mutSB, yshB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YshC context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PolX expression.png
























Categories containing this gene/protein

DNA repair/ recombination

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU28590

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • template-dependent DNA polymerase, fills single nucleotide gaps PubMed
    • has intrinsic 3'-5' exonuclease activity for resecting unannealed 3'-termini in gapped DNA substrates PubMed
    • has intrinsic apurinic/apyrimidinic (AP) endonuclease activity PubMed
  • Protein family: DNA polymerase X family
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [2]

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Margarita Salas, Madrid, Spain link

Your additional remarks

References

Benito Baños, Laurentino Villar, Margarita Salas, Miguel de Vega
Intrinsic apurinic/apyrimidinic (AP) endonuclease activity enables Bacillus subtilis DNA polymerase X to recognize, incise, and further repair abasic sites.
Proc Natl Acad Sci U S A: 2010, 107(45);19219-24
[PubMed:20974932] [WorldCat.org] [DOI] (I p)

Benito Baños, José M Lázaro, Laurentino Villar, Margarita Salas, Miguel de Vega
Characterization of a Bacillus subtilis 64-kDa DNA polymerase X potentially involved in DNA repair.
J Mol Biol: 2008, 384(5);1019-28
[PubMed:18938175] [WorldCat.org] [DOI] (I p)

Benito Baños, José M Lázaro, Laurentino Villar, Margarita Salas, Miguel de Vega
Editing of misaligned 3'-termini by an intrinsic 3'-5' exonuclease activity residing in the PHP domain of a family X DNA polymerase.
Nucleic Acids Res: 2008, 36(18);5736-49
[PubMed:18776221] [WorldCat.org] [DOI] (I p)