CsoR

• Description: transcription repressor of copZ-copA
  
  

Gene name	csoR
Synonyms	yvgZ
Essential	no
Product	transcription repressor
Function	control of copper homeostasis
Gene expression levels in SubtiExpress: csoR
Metabolic function and regulation of this protein in SubtiPathways: metal ion homeostasis
MW, pI	11 kDa, 7.299
Gene length, protein length	303 bp, 101 aa
Immediate neighbours	copZ, yvaA
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

trace metal homeostasis (Cu, Zn, Ni, Mn, Mo), transcription factors and their control, resistance against toxic metals

The CsoR regulon:

• copZ-copA, yotD

The gene

Basic information

• Locus tag: BSU33520

Database entries

• BsubCyc: BSU33520

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity: Cu(I) ions cause release of CsoR from its operator sites

• Interactions:

• Localization:

Database entries

• BsubCyc: BSU33520

• Structure:

• UniProt: O32222

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon:

• Expression browser: csoR PubMed

• 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

John Helmann, Cornell University, USA Homepage

Mohamed Marahiel, Marburg University, Germany homepage

References

Original publications

Shashi Chillappagari, Andreas Seubert, Hein Trip, Oscar P Kuipers, Mohamed A Marahiel, Marcus Miethke
Copper stress affects iron homeostasis by destabilizing iron-sulfur cluster formation in Bacillus subtilis.
J Bacteriol: 2010, 192(10);2512-24
[PubMed:20233928] [WorldCat.org] [DOI] (I p)

Zhen Ma, Darin M Cowart, Robert A Scott, David P Giedroc
Molecular insights into the metal selectivity of the copper(I)-sensing repressor CsoR from Bacillus subtilis.
Biochemistry: 2009, 48(15);3325-34
[PubMed:19249860] [WorldCat.org] [DOI] (I p)

Shashi Chillappagari, Marcus Miethke, Hein Trip, Oscar P Kuipers, Mohamed A Marahiel
Copper acquisition is mediated by YcnJ and regulated by YcnK and CsoR in Bacillus subtilis.
J Bacteriol: 2009, 191(7);2362-70
[PubMed:19168619] [WorldCat.org] [DOI] (I p)

Gregory T Smaldone, John D Helmann
CsoR regulates the copper efflux operon copZA in Bacillus subtilis.
Microbiology (Reading): 2007, 153(Pt 12);4123-4128
[PubMed:18048925] [WorldCat.org] [DOI] (P p)