HprK

• Description: HPr kinase/ phosphorylase
  
  

Gene name	hprK
Synonyms	ptsK, yvoB
Essential
Product	HPr kinase/ phosphorylase
Function	phosphorylation of HPr and Crh proteins at Ser46
MW, pI	34 kDa, 4.906
Gene length, protein length	930 bp, 310 aa
Immediate neighbours
Gene sequence (+200bp)	Protein sequence
Genetic context

The gene

Basic information

• Coordinates:

Phenotypes of a mutant

no carbon catabolite repression

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

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:

• Interactions: HprK- HPr, HprK-Crh

• Localization:

Database entries

• Structure:

• Swiss prot entry:

• KEGG entry:

• E.C. number:

Expression and regulation

• Operon:

• 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

Josef Deutscher, Paris-Grignon, France

Jörg Stülke, University of Göttingen, Germany Homepage

Wolfgang Hillen, Erlangen University, Germany Homepage

Anne Galinier, University of Marseille, France

References

1. Reizer, J., Hoischen, C., Titgemeyer, F., Rivolta, C., Rabus, R., Stülke, J., Karamata, D., Saier, M. H., Jr., & Hillen, W. (1998) A novel bacterial protein kinase that controls carbon catabolite repression. Mol. Microbiol. 27: 1157-1169. PubMed
2. Galinier A, Kravanja M, Engelmann R, Hengstenberg W, Kilhoffer MC, Deutscher J, Haiech J (1998) New protein kinase and protein phosphatase families mediate signal transduction in bacterial catabolite repression. Proc Natl Acad Sci USA 95:1823-1828. PubMed
3. Mijakovic I, Poncet S, Galiner A, Monedero V, Fieulaine S, Janin J, Nessler S, Marquez JA, Scheffzek K, Hasenbein S, Hengstenberg W, Deutscher J: Pyrophosphate-producing protein dephosphorylation by HPr kinase/ phosphorylase: a relic of early life? Proc Natl Acad Sci USA 2002, 99:13442-13447. PubMed
4. Monedero V, Poncet S, Mijakovic I, Fieulaine S, Dossonet V, Martin-Verstraete I, Nessler S, Deutscher J (2001) Mutations lowering the phosphatase activity of HPr kinase/phosphatase switch off carbon metabolism. EMBO J 20:3928-3937. PubMed
5. Hanson K. G., Steinhauer, K., Reizer, J., Hillen, W. & Stülke, J. (2002) HPr kinase/phosphatase of Bacillus subtilis: Expression of the gene and effects of mutations on enzyme activity, growth, and carbon catabolite repression. Microbiology 148: 1805-1811. PubMed
6. Jault J M, Fieulaine S, Nessler S, Gonzalo P, Di Pietro A, Deutscher J, Galinier A (2000) The HPr kinase from Bacillus subtilis is a homo-oligomeric enzyme which exhibits strong positive cooperativity for nucleotide and fructose 1,6-bisphosphate binding. J Biol Chem 275:1773-1780. PubMed
7. Ramström H, Sanglier S, Leize-Wagner E, Philippe C, van Dorsselaer A, Haiech J (2003) Properties and regulation of the bifunctional enzyme HPr kinase/phosphatase in Bacillus subtilis. J Biol Chem 278:1174-1185. PubMed
8. Nessler S, Fieulaine S, Poncet S, Galinier A, Deutscher J, Janin J (2003) HPr kinase/phosphorylase, the sensor enzyme of catabolite repression in Gram-positive bacteria: structural aspects of the enzyme and the complex with its protein substrate. J Bacteriol 185:4003-4010. PubMed
9. Ludwig, H., Rebhan, N., Blencke, H.-M., Merzbacher, M. & Stülke, J. (2002) Control of the glycolytic gapA operon by the catabolite control protein A in Bacillus subtilis: a novel mechanism of CcpA-mediated regulation. Mol. Microbiol. 45: 543-553. PubMed
10. Singh, K. D., Schmalisch, M. H., Stülke, J. & Görke, B. (2008) Carbon catabolite repression in Bacillus subtilis: A quantitative analysis of repression exerted by different carbon sources. J. Bacteriol. 190: 7275-7284. PubMed
11. Márquez, J. A., Hasenbein, S., Koch, B., Fieulaine, S., Nessler, S., Russell, R. B., Hengstenberg, W. & Scheffzek, K. (2002) Structure of the full-length HPr kinase/phosphatase from Staphylococcus xylosus at 1.95 Å resolution: mimicking the product/substrate of the phosphotransfer reactions. Proc. Natl. Acad. Sci. USA 99, 3458-3463. PubMed
12. Allen, G.S., Steinhauer, K., Hillen, W., Stülke, J. & Brennan, R.G. (2003) Crystal structure of HPr kinase/phosphatase from Mycoplasma pneumoniae. J. Mol. Biol. 326, 1203-1217. PubMed
13. Galinier, A., Lavergne, J.-P., Geourjon, C., Fieulaine, S., Nessler, S. & Jault, J.-M. (2002) A new family of phosphotransferases with a P-loop motif. J. Biol. Chem. 277, 11362-11367. PubMed
14. Lavergne, J.-P., Jault, J.-M. & Galinier, A. (2002) Insights into the functioning of Bacillus subtilis HPr kinase/phosphatase: affinity for its protein substrates and role of cations and phosphate. Biochemistry 41, 6218-6225. PubMed
15. Pompeo, F., Granet, Y., Lavergne, J.-P., Grangeasse, C., Nessler, S., Jault, J.-M. & Galinier, A. (2003) Regulation and mutational of the HPr kinase/phosphorylase from Bacillus subtilis. Biochemistry 42, 6762-6771. PubMed
16. Fieulaine, S., Morera, S., Poncet, S., Mijakovic, I., Galinier, A., Janin, J., Deutscher, J., and Nessler, S. (2002) X-ray structure of a bifunctional protein kinase in complex with its protein substrate HPr. Proc Natl Acad Sci U S A 99: 13437-13441. PubMed
17. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed