RnjB

• Description: RNase J2
  
  

Gene name	rnjB
Synonyms	ymfA
Essential	no
Product	RNase J2
Function	RNA processing and degradation
Gene expression levels in SubtiExpress: rnjB
Interactions involving this protein in SubtInteract: RNase J2
MW, pI	56 kDa, 9.18
Gene length, protein length	1545 bp, 515 aa
Immediate neighbours	dapA, tepA
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

Rnases

The gene

Basic information

• Locus tag: BSU16780

Database entries

• BsubCyc: BSU16780

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: endoribonuclease, involved in processing of thrS mRNA

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

• Paralogous protein(s): RnjA

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • associated to the RNA degradosome PubMed
  • RnjA-RnjB PubMed

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• BsubCyc: BSU16780

• Structure: 3ZQ4 (RNase J1) PubMed

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: rnjB PubMed

• Expression browser: rnjB PubMed

• Sigma factor: SigA PubMed

• Regulation: constitutive expression PubMed

• Regulatory mechanism:

• Additional information:
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 1201 PubMed
  • number of protein molecules per cell (complex medium with amino acids, without glucose): 3208 PubMed

Biological materials

• Mutant: GP45 (spc), GP1113 (miniTn10 spc), both available in Stülke lab

• Expression vector:

• lacZ fusion: pGP419 (in pAC7), available in Stülke lab

• GFP fusion:

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

• FLAG-tag construct: GP1001 (spc, based on pGP1331), available in the Stülke lab

• Antibody:

Labs working on this gene/protein

Harald Putzer, IBPC Paris, France Homepage

References

Reviews

Zbigniew Dominski, Agamemnon J Carpousis, Béatrice Clouet-d'Orval
Emergence of the β-CASP ribonucleases: highly conserved and ubiquitous metallo-enzymes involved in messenger RNA maturation and degradation.
Biochim Biophys Acta: 2013, 1829(6-7);532-51
[PubMed:23403287] [WorldCat.org] [DOI] (P p)

Martin Lehnik-Habrink, Richard J Lewis, Ulrike Mäder, Jörg Stülke
RNA degradation in Bacillus subtilis: an interplay of essential endo- and exoribonucleases.
Mol Microbiol: 2012, 84(6);1005-17
[PubMed:22568516] [WorldCat.org] [DOI] (I p)

David H Bechhofer
Bacillus subtilis mRNA decay: new parts in the toolkit.
Wiley Interdiscip Rev RNA: 2011, 2(3);387-94
[PubMed:21957024] [WorldCat.org] [DOI] (I p)

Jamie Richards, Joel G Belasco
Ribonuclease J: how to lead a double life.
Structure: 2011, 19(9);1201-3
[PubMed:21893280] [WorldCat.org] [DOI] (I p)

Ciarán Condon
What is the role of RNase J in mRNA turnover?
RNA Biol: 2010, 7(3);316-21
[PubMed:20458164] [WorldCat.org] [DOI] (I p)