CspB

• Description: major cold-shock protein
  
  

Gene name	cspB
Synonyms
Essential	no
Product	major cold-shock protein
Function	RNA chaperone
MW, pI	7 kDa, 4.341
Gene length, protein length	201 bp, 67 aa
Immediate neighbours	yhcI, yhcJ
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: BSU09100

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

RNA chaperones, cold stress proteins

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s): CspC, CspD

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: CshB-CspB PubMed

• Localization: cytoplasm (according to Swiss-Prot), cytoplasma, colocalizes with the ribosomes PubMed

Database entries

• Structure: 1CSQ, 1NMG (NMR)

• UniProt: P32081

• KEGG entry: [3]

• E.C. number:

Additional information

• subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

• Operon: cspB PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induced upon cold shock PubMed

• Regulatory mechanism:

• Additional information: subject to Clp-dependent proteolysis upon glucose starvation PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Mohamed Marahiel, Marburg University, Germany homepage