Rnc

• Description: RNase III
  
  ; required for the degradation of sense/antisense transcripts in Gram positive, low GC bacteria

Gene name	rnc
Synonyms	rncS
Essential	yes
Product	endoribonuclease III
Function	cleaves both 5'- and 3'-sites of the small cytoplasmic RNA precursor (scr)
Metabolic function and regulation of this protein in SubtiPathways: Protein secretion
MW, pI	28 kDa, 8.076
Gene length, protein length	747 bp, 249 aa
Immediate neighbours	acpA, smc
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

Rnases, translation, protein secretion, essential genes

This gene is a member of the following regulons

stringent response

The gene

Basic information

• Locus tag: BSU15930

Phenotypes of a mutant

essential PubMed

rnc is essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Endonucleolytic cleavage to 5'-phosphomonoester (according to Swiss-Prot) cleaves both 5'- and 3'-sites of the small cytoplasmic RNA precursor (scr)

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P51833

• KEGG entry: [3]

• E.C. number: 3.1.26.3

Expression and regulation

• Operon: rnc-smc-ftsY PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • RelA dependent downregulation (Class I) during stringent response PubMed

• Regulatory mechanism:

• Additional information:

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

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

Ciaran Condon, IBPC, Paris, France Homepage

References

Shiyi Yao, Joshua B Blaustein, David H Bechhofer
Processing of Bacillus subtilis small cytoplasmic RNA: evidence for an additional endonuclease cleavage site.
Nucleic Acids Res: 2007, 35(13);4464-73
[PubMed:17576666] [WorldCat.org] [DOI] (I p)

M A Herskovitz, D H Bechhofer
Endoribonuclease RNase III is essential in Bacillus subtilis.
Mol Microbiol: 2000, 38(5);1027-33
[PubMed:11123676] [WorldCat.org] [DOI] (P p)

Hiroshi Kakeshita, Akihiro Oguro, Reiko Amikura, Kouji Nakamura, Kunio Yamane
Expression of the ftsY gene, encoding a homologue of the alpha subunit of mammalian signal recognition particle receptor, is controlled by different promoters in vegetative and sporulating cells of Bacillus subtilis.
Microbiology (Reading): 2000, 146 ( Pt 10);2595-2603
[PubMed:11021934] [WorldCat.org] [DOI] (P p)

A Oguro, H Kakeshita, K Nakamura, K Yamane, W Wang, D H Bechhofer
Bacillus subtilis RNase III cleaves both 5'- and 3'-sites of the small cytoplasmic RNA precursor.
J Biol Chem: 1998, 273(31);19542-7
[PubMed:9677377] [WorldCat.org] [DOI] (P p)

W Wang, D H Bechhofer
Bacillus subtilis RNase III gene: cloning, function of the gene in Escherichia coli, and construction of Bacillus subtilis strains with altered rnc loci.
J Bacteriol: 1997, 179(23);7379-85
[PubMed:9393702] [WorldCat.org] [DOI] (P p)

S Mitra, D H Bechhofer
Substrate specificity of an RNase III-like activity from Bacillus subtilis.
J Biol Chem: 1994, 269(50);31450-6
[PubMed:7527387] [WorldCat.org] (P p)

A T Panganiban, H R Whiteley
Bacillus subtilis RNAase III cleavage sites in phage SP82 early mRNA.
Cell: 1983, 33(3);907-13
[PubMed:6409421] [WorldCat.org] [DOI] (P p)