RnhC

• Description: RNase HIII, endoribonuclease
  
  

Gene name	rnhC
Synonyms	ysgB
Essential	no
Product	Mg2+-dependent RNase HIII
Function	endonucleolytic cleavage of RNA in RNA-DNA hybrid molecules
Gene expression levels in SubtiExpress: rnhC
MW, pI	33 kDa, 10.07
Gene length, protein length	939 bp, 313 aa
Immediate neighbours	zapA, pheT
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: BSU28620

Phenotypes of a mutant

• a rnhB rnhC double mutant grows poorly 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)

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • RnhC interacts with the RNA polymerase PubMed

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure: 2D0B (complex with Mg2+, Geobacillus stearothermophilus , 47% identity), 2D0A (Geobacillus stearothermophilus, 47% identity)

• UniProt: P94541

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: rnhC PubMed

• Expression browser: rnhC PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant: BP430 (ΔrnhC::cat) available in Fabian Commichau's lab

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Takashi Tadokoro, Shigenori Kanaya
Ribonuclease H: molecular diversities, substrate binding domains, and catalytic mechanism of the prokaryotic enzymes.
FEBS J: 2009, 276(6);1482-93
[PubMed:19228197] [WorldCat.org] [DOI] (I p)

Original publications

Nina Y Yao, Jeremy W Schroeder, Olga Yurieva, Lyle A Simmons, Mike E O'Donnell
Cost of rNTP/dNTP pool imbalance at the replication fork.
Proc Natl Acad Sci U S A: 2013, 110(32);12942-7
[PubMed:23882084] [WorldCat.org] [DOI] (I p)

Olivier Delumeau, François Lecointe, Jan Muntel, Alain Guillot, Eric Guédon, Véronique Monnet, Michael Hecker, Dörte Becher, Patrice Polard, Philippe Noirot
The dynamic protein partnership of RNA polymerase in Bacillus subtilis.
Proteomics: 2011, 11(15);2992-3001
[PubMed:21710567] [WorldCat.org] [DOI] (I p)

Sanae Fukushima, Mitsuhiro Itaya, Hiroaki Kato, Naotake Ogasawara, Hirofumi Yoshikawa
Reassessment of the in vivo functions of DNA polymerase I and RNase H in bacterial cell growth.
J Bacteriol: 2007, 189(23);8575-83
[PubMed:17905985] [WorldCat.org] [DOI] (I p)

M Itaya, A Omori, S Kanaya, R J Crouch, T Tanaka, K Kondo
Isolation of RNase H genes that are essential for growth of Bacillus subtilis 168.
J Bacteriol: 1999, 181(7);2118-23
[PubMed:10094689] [WorldCat.org] [DOI] (P p)

N Ohtani, M Haruki, M Morikawa, R J Crouch, M Itaya, S Kanaya
Identification of the genes encoding Mn2+-dependent RNase HII and Mg2+-dependent RNase HIII from Bacillus subtilis: classification of RNases H into three families.
Biochemistry: 1999, 38(2);605-18
[PubMed:9888800] [WorldCat.org] [DOI] (P p)

A Wipat, N Carter, S C Brignell, B J Guy, K Piper, J Sanders, P T Emmerson, C R Harwood
The dnaB-pheA (256 degrees-240 degrees) region of the Bacillus subtilis chromosome containing genes responsible for stress responses, the utilization of plant cell walls and primary metabolism.
Microbiology (Reading): 1996, 142 ( Pt 11);3067-78
[PubMed:8969504] [WorldCat.org] [DOI] (P p)