DinB

• Description: nuclease inhibitor
  
  

Gene name	dinB
Synonyms
Essential	no
Product	nuclease inhibitor
Function	response to DNA damage
MW, pI	19 kDa, 5.614
Gene length, protein length	516 bp, 172 aa
Immediate neighbours	ydgF, ydgG
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU05630

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: dinB 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:

Database entries

• Structure:

• UniProt: Q02886

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:
  • repressed when no DNA damage is present (LexA) PubMed

• Regulatory mechanism:
  • LexA: transcription repression PubMed

• Additional information: the mRNA is very stable (half-life > 15 min) PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

G Hambraeus, C von Wachenfeldt, L Hederstedt
Genome-wide survey of mRNA half-lives in Bacillus subtilis identifies extremely stable mRNAs.
Mol Genet Genomics: 2003, 269(5);706-14
[PubMed:12884008] [WorldCat.org] [DOI] (P p)

M C Miller, J B Resnick, B T Smith, C M Lovett
The bacillus subtilis dinR gene codes for the analogue of Escherichia coli LexA. Purification and characterization of the DinR protein.
J Biol Chem: 1996, 271(52);33502-8
[PubMed:8969214] [WorldCat.org] (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)