RnjA

• Description: RNase J1
  
  

Gene name	rnjA
Synonyms	ykqC
Essential	yes PubMed
Product	RNase J1
Function	RNA processing
MW, pI	61 kDa, 5.902
Gene length, protein length	1665 bp, 555 aa
Immediate neighbours	adeC, ykzG
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Coordinates:

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: endonuclease and 5'-3' exonuclease

• Protein family:

• Paralogous protein(s): RnjB

RNAs affected by rnjA

hbs, thrS

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: RnjA-RnjB, RnjA-PfkA, RnjA-PnpA, RnjA-Rny PubMed

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure: 3BK1 (RNase J from Thermus thermophilus) 3BK2 (RNase J from Thermus thermophilus, complex with UMP)

• Swiss prot entry: Q45493

• KEGG entry: [2]

• E.C. number:

Additional information

• subject to Clp-dependent proteolysis upon glucose starvation PubMed

required for thrS RNA processing, involved in maturation of the 5’-end of the16S rRNA, subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:

• Regulatory mechanism:

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

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab

• Antibody:

Labs working on this gene/protein

Harald Putzer, IBPC Paris, France Homepage

David Bechhofer, Mount Sinai School, New York, USA Homepage

Ciaran Condon, IBPC, Paris, France Homepage

References

1. Gerth et al. (2008) Clp-dependent proteolysis down-regulates central metabolic pathways in glucose-starved Bacillus subtilis. J Bacteriol 190:321-331 PubMed
2. Even, S., Pellegrini, O., Zig, L., Labas, V., Vinh, J., Brechemmier-Baey, D., and Putzer, H. (2005) Ribonucleases J1 and J2: Two novel endoribonucleases in B. subtilis with functional homology to E. coli RNase E. Nucl Acids Res 33, 2141-2152. PubMed
3. de la Sierra-Gallay IL, Zig L, Jamalli A, Putzer H. (2008 Structural insights into the dual activity of RNase J. Nat. Struct. Mol. Biol. 15:206-212. PubMed
4. Mäder, U., Zig, L., Kretschmer, J., Homuth, G., and Putzer, H. (2008) mRNA processing by RNases J1 and J2 affects Bacillus subtilis gene expression on a global scale. Mol Microbiol 70, 183-196. PubMed
5. Commichau, F. M., Rothe, F. M., Herzberg, C., Wagner, E., Hellwig, D., Lehnik-Habrink, M., Hammer, E., Völker, U. & Stülke, J. (2009) Novel activities of glycolytic enzymes in Bacillus subtilis: Interactions with essential proteins involved in mRNA processing. Mol. Cell. Proteomics in press PubMed
6. Hunt, A., Rawlins, J. P., Thomaides, H. B., and Errington, J. (2006) Functional analysis of 11 putative essential genes in Bacillus subtilis. Microbiology 152, 2895-2907. PubMed
7. Deikus, G., Condon, C. & Bechhofer, D. H. (2008). Role of Bacillus subtilis RNase J1 endonuclease and 5'-exonuclease activities in trp leader RNA turnover. J Biol Chem. 283:17158-17167. PubMed
8. Mathy, N., Bénard, L., Pellegrini, O., Daou, R., Wen, T. & Condon, C. (2007). 5'-to-3' exoribonuclease activity in bacteria: role of RNase J1 in rRNA maturation and 5' stability of mRNA. Cell 129:681-692. PubMed
9. Britton et al. (2007) Maturation of the 5' end of Bacillus subtilis 16S rRNA by the essential ribonuclease YkqC/RNase J1. Mol. Microbiol. 63: 127-138. PubMed
10. Yao, S., Blaustein, J. B. & Bechhofer, D. H. (2007). Processing of Bacillus subtilis small cytoplasmic RNA: evidence for an additional endonuclease cleavage site. Nucleic Acids Res. 35:4464-4473. PubMed
11. Daou-Chabo R, Mathy N, Bénard L, Condon C. (2009) Ribosomes initiating translation of the hbs mRNA protect it from 5'-to-3' exoribonucleolytic degradation by RNase J1. Mol. Microbiol. 71: 1538-1550. PubMed
12. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed