ClpQ

• Description: two-component ATP-dependent protease
  
  

Gene name	clpQ
Synonyms	hslV, codW
Essential	no
Product	two-component ATP-dependent protease
Function	protein degradation
Interactions involving this protein in SubtInteract: ClpQ
MW, pI	19 kDa, 6.105
Gene length, protein length	543 bp, 181 aa
Immediate neighbours	codV, clpY
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

proteolysis, membrane proteins

This gene is a member of the following regulons

CodY regulon

The gene

Basic information

• Locus tag: BSU16150

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: HslV subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • ClpQ-ClpY PubMed

• Localization:
  • cytoplasm, forms small foci, usually positioned near the cell membrane, formation of foci depends on the presence of the cognate ATPase ClpY PubMed

Database entries

• Structure: 2Z3B

• UniProt: P39070

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: codV-clpQ-clpY-codY PubMed

• Expression browser: clpQ PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed during growth in the presence of branched chain amino acids (CodY) PubMed

• Regulatory mechanism:
  • CodY: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Lyle A Simmons, Alan D Grossman, Graham C Walker
Clp and Lon proteases occupy distinct subcellular positions in Bacillus subtilis.
J Bacteriol: 2008, 190(20);6758-68
[PubMed:18689473] [WorldCat.org] [DOI] (I p)

Min Suk Kang, Soon Rae Kim, Pyeongsu Kwack, Byung Kook Lim, Sung Won Ahn, Young Min Rho, Ihn Sik Seong, Seong-Chul Park, Soo Hyun Eom, Gang-Won Cheong, Chin Ha Chung
Molecular architecture of the ATP-dependent CodWX protease having an N-terminal serine active site.
EMBO J: 2003, 22(12);2893-902
[PubMed:12805205] [WorldCat.org] [DOI] (P p)

M Ratnayake-Lecamwasam, P Serror, K W Wong, A L Sonenshein
Bacillus subtilis CodY represses early-stationary-phase genes by sensing GTP levels.
Genes Dev: 2001, 15(9);1093-103
[PubMed:11331605] [WorldCat.org] [DOI] (P p)

M S Kang, B K Lim, I S Seong, J H Seol, N Tanahashi, K Tanaka, C H Chung
The ATP-dependent CodWX (HslVU) protease in Bacillus subtilis is an N-terminal serine protease.
EMBO J: 2001, 20(4);734-42
[PubMed:11179218] [WorldCat.org] [DOI] (P p)

F J Slack, P Serror, E Joyce, A L Sonenshein
A gene required for nutritional repression of the Bacillus subtilis dipeptide permease operon.
Mol Microbiol: 1995, 15(4);689-702
[PubMed:7783641] [WorldCat.org] [DOI] (P p)