TopB

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  • Description: DNA topoisomerase III

Gene name topB
Synonyms
Essential no
Product DNA topoisomerase III
Function replication
MW, pI 81 kDa, 9.879
Gene length, protein length 2181 bp, 727 aa
Immediate neighbours lrpC, ydaJ
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
TopB context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU04260

Phenotypes of a mutant

Database entries

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

Additional information

Categories containing this gene/protein

DNA replication, DNA condensation/ segregation

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP-independent breakage of single-stranded DNA, followed by passage and rejoining (according to Swiss-Prot)
  • Protein family: prokaryotic type I/III topoisomerase family (according to Swiss-Prot)
  • Paralogous protein(s): TopA, one of the two proteins has to be present for viability PubMed

Extended information on the protein

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

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