UvrB

• Description: excinuclease ABC (subunit B)
  
  

Gene name	uvrB
Synonyms	dinA, uvrA
Essential	no
Product	excinuclease ABC (subunit B)
Function	DNA repair after UV damage
Gene expression levels in SubtiExpress: uvrB
Interactions involving this protein in SubtInteract: UvrB
MW, pI	76 kDa, 5.26
Gene length, protein length	1983 bp, 661 aa
Immediate neighbours	uvrA, csbA
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

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: BSU35170

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Additional information

• A mutation was found in this gene after evolution under relaxed selection for sporulation PubMed

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: uvrB family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • UvrA-UvrB PubMed
  • UvrB-UvrC PubMed
  • UvrB interacts sequentially with UvrA and UvrC, a complex of the three proteins was never observed PubMed
  • UvrB-PcrA PubMed

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure: 2NMV (bound to fluorescein-adducted DNA); 2D7D ternary complex involving UvrB* (a C-terminal truncation of full-length UvrB), a polythymine trinucleotide and ADP PubMed

• UniProt: P37954

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: uvrB-uvrA (according to DBTBS)

• Expression browser: uvrB PubMed

• Sigma factor:

• Regulation:
  • induced upon DNA damage (LexA) PubMed

• Regulatory mechanism:
  • LexA: transcription repression PubMed

• Additional information:

Biological materials

• Mutant: GP1175 (del uvrAB::ermC) (available in the Stülke lab)

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Original publications

Emma J Gwynn, Abigail J Smith, Colin P Guy, Nigel J Savery, Peter McGlynn, Mark S Dillingham
The conserved C-terminus of the PcrA/UvrD helicase interacts directly with RNA polymerase.
PLoS One: 2013, 8(10);e78141
[PubMed:24147116] [WorldCat.org] [DOI] (I e)

Christopher T Brown, Laura K Fishwick, Binna M Chokshi, Marissa A Cuff, Jay M Jackson, Travis Oglesby, Alison T Rioux, Enrique Rodriguez, Gregory S Stupp, Austin H Trupp, James S Woollcombe-Clarke, Tracy N Wright, William J Zaragoza, Jennifer C Drew, Eric W Triplett, Wayne L Nicholson
Whole-genome sequencing and phenotypic analysis of Bacillus subtilis mutants following evolution under conditions of relaxed selection for sporulation.
Appl Environ Microbiol: 2011, 77(19);6867-77
[PubMed:21821766] [WorldCat.org] [DOI] (I p)

Jitka Eryilmaz, Simona Ceschini, James Ryan, Stella Geddes, Timothy R Waters, Tracey E Barrett
Structural insights into the cryptic DNA-dependent ATPase activity of UvrB.
J Mol Biol: 2006, 357(1);62-72
[PubMed:16426634] [WorldCat.org] [DOI] (P p)

K W Winterling, D Chafin, J J Hayes, J Sun, A S Levine, R E Yasbin, R Woodgate
The Bacillus subtilis DinR binding site: redefinition of the consensus sequence.
J Bacteriol: 1998, 180(8);2201-11
[PubMed:9555905] [WorldCat.org] [DOI] (P p)

C M Lovett, K C Cho, T M O'Gara
Purification of an SOS repressor from Bacillus subtilis.
J Bacteriol: 1993, 175(21);6842-9
[PubMed:8226626] [WorldCat.org] [DOI] (P p)