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  • Description: translesion synthesis (TLS-) DNA polymerase Y2

Gene name polY2
Synonyms yqjW
Essential no
Product translesion synthesis (TLS-) DNA polymerase Y2
Function UV-targeted mutagenesis
Gene expression levels in SubtiExpress: polY2
Interactions involving this protein in SubtInteract: PolY2
MW, pI 45 kDa, 9.532
Gene length, protein length 1236 bp, 412 aa
Immediate neighbours yqjX, yqzH
Sequences Protein DNA DNA_with_flanks
Genetic context
YqjW context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PolY2 expression.png

Categories containing this gene/protein

DNA repair/ recombination

This gene is a member of the following regulons

LexA regulon

The gene

Basic information

  • Locus tag: BSU23710

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1) (according to Swiss-Prot)
  • Protein family: DNA polymerase type-Y family (according to Swiss-Prot)

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant: GP1505 (polY2::kan), available in Stülke lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks



Justin S Lenhart, Jeremy W Schroeder, Brian W Walsh, Lyle A Simmons
DNA repair and genome maintenance in Bacillus subtilis.
Microbiol. Mol. Biol. Rev.: 2012, 76(3);530-64
[PubMed:22933559] [WorldCat.org] [DOI] (I p)

Original publications

Richard T Pomerantz, Isabel Kurth, Myron F Goodman, Mike E O'Donnell
Preferential D-loop extension by a translesion DNA polymerase underlies error-prone recombination.
Nat. Struct. Mol. Biol.: 2013, 20(6);748-55
[PubMed:23686288] [WorldCat.org] [DOI] (I p)

Andrea M Rivas-Castillo, Ronald E Yasbin, E Robleto, Wayne L Nicholson, Mario Pedraza-Reyes
Role of the Y-family DNA polymerases YqjH and YqjW in protecting sporulating Bacillus subtilis cells from DNA damage.
Curr. Microbiol.: 2010, 60(4);263-7
[PubMed:19924481] [WorldCat.org] [DOI] (I p)

Nora Au, Elke Kuester-Schoeck, Veena Mandava, Laura E Bothwell, Susan P Canny, Karen Chachu, Sierra A Colavito, Shakierah N Fuller, Eli S Groban, Laura A Hensley, Theresa C O'Brien, Amish Shah, Jessica T Tierney, Louise L Tomm, Thomas M O'Gara, Alexi I Goranov, Alan D Grossman, Charles M Lovett
Genetic composition of the Bacillus subtilis SOS system.
J. Bacteriol.: 2005, 187(22);7655-66
[PubMed:16267290] [WorldCat.org] [DOI] (P p)

Stéphane Duigou, S Dusko Ehrlich, Philippe Noirot, Marie-Françoise Noirot-Gros
DNA polymerase I acts in translesion synthesis mediated by the Y-polymerases in Bacillus subtilis.
Mol. Microbiol.: 2005, 57(3);678-90
[PubMed:16045613] [WorldCat.org] [DOI] (P p)

Stéphane Duigou, S Dusko Ehrlich, Philippe Noirot, Marie-Françoise Noirot-Gros
Distinctive genetic features exhibited by the Y-family DNA polymerases in Bacillus subtilis.
Mol. Microbiol.: 2004, 54(2);439-51
[PubMed:15469515] [WorldCat.org] [DOI] (P p)

Huang-Mo Sung, Gabriel Yeamans, Christian A Ross, Ronald E Yasbin
Roles of YqjH and YqjW, homologs of the Escherichia coli UmuC/DinB or Y superfamily of DNA polymerases, in stationary-phase mutagenesis and UV-induced mutagenesis of Bacillus subtilis.
J. Bacteriol.: 2003, 185(7);2153-60
[PubMed:12644484] [WorldCat.org] [DOI] (P p)