Difference between revisions of "RnhB"
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=== Database entries === | === Database entries === | ||
| + | * '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU16060&redirect=T BSU16060] | ||
* '''DBTBS entry:''' no entry | * '''DBTBS entry:''' no entry | ||
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=== Database entries === | === Database entries === | ||
| + | * '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU16060&redirect=T BSU16060] | ||
* '''Structure:''' | * '''Structure:''' | ||
Revision as of 13:42, 2 April 2014
- Description: RNase HII, endoribonuclease, responsible for removal of single rNMPs incorporated into DNA by DNA polymerase during DNA replication
| Gene name | rnhB |
| Synonyms | rnh |
| Essential | no |
| Product | Mn2+-dependent RNase HII |
| Function | endonucleolytic cleavage of RNA in RNA-DNA hybrid molecules |
| Gene expression levels in SubtiExpress: rnhB | |
| MW, pI | 28 kDa, 5.518 |
| Gene length, protein length | 765 bp, 255 aa |
| Immediate neighbours | rbgA, ylqG |
| Sequences | Protein DNA DNA_with_flanks |
Genetic context 
This image was kindly provided by SubtiList
| |
Expression at a glance PubMed
| |
Contents
Categories containing this gene/protein
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU16060
Phenotypes of a mutant
- increased mutation rate PubMed
- a rnhB rnhC double mutant grows poorly PubMed
- a rnhB mutS-mutL mutant is not viable PubMed
Database entries
- BsubCyc: BSU16060
- DBTBS entry: no entry
- SubtiList entry: [1]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity:
- Endonucleolytic cleavage to 5'-phosphomonoester (according to Swiss-Prot)
- removal of single rNMPs incorporated into DNA by DNA polymerase during DNA replication PubMed
- Protein family: RNase HII family (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Localization:
- cytoplasm (according to Swiss-Prot)
Database entries
- BsubCyc: BSU16060
- Structure:
- UniProt: O31744
- KEGG entry: [2]
- E.C. number: 3.1.26.4.
Additional information
Expression and regulation
- Operon:
- Regulation:
- Regulatory mechanism:
- Additional information:
Biological materials
- Mutant: BP423 (ΔrnhB::aphA3) available in Fabian Commichau's lab
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
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
