Reviewed, UniProtKB/Swiss-Prot Q2YMI3 (RNH_BRUA2)

Names and origin

Protein names

Recommended name:
    Ribonuclease H
      Short name=RNase H
    EC=3.1.26.4

Gene names

Name:	rnhA
Ordered Locus Names:	BAB1_0503

Organism

Brucella abortus (strain 2308) [Complete proteome] [HAMAP]

Taxonomic identifier

359391 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Brucellaceae › Brucella

Protein attributes

Sequence length	154 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Endonuclease that specifically degrades the RNA of RNA-DNA hybrids By similarity.
Catalytic activity	Endonucleolytic cleavage to 5'-phosphomonoester. HAMAP MF_00042
Cofactor	Binds 1 magnesium ion per subunit. May bind a second metal ion at a regulatory site, or after substrate binding By similarity.
Subunit structure	Monomer By similarity.
Subcellular location	Cytoplasm Potential.
Sequence similarities	Belongs to the RNase H family. Contains 1 RNase H domain.

Ontologies

Keywords
Cellular component	Cytoplasm
Ligand	Magnesium Metal-binding
Molecular function	Endonuclease Hydrolase Nuclease
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	RNA catabolic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	magnesium ion binding Inferred from electronic annotation. Source: HAMAP nucleic acid binding Inferred from electronic annotation. Source: InterPro ribonuclease H activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 154	154	Ribonuclease H HAMAP MF_00042		PRO_0000332567
Regions
	Domain	1 – 141	141	RNase H
Sites
	Metal binding	9	1	Magnesium 1 By similarity
	Metal binding	9	1	Magnesium 2 By similarity
	Metal binding	47	1	Magnesium 1 By similarity
	Metal binding	69	1	Magnesium 1 By similarity
	Metal binding	133	1	Magnesium 2 By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q2YMI3-1 [UniParc]. Last modified December 20, 2005. Version 1. Checksum: 3B76C03F52E01012	FASTA	154	17,172
	10 20 30 40 50 60 MKRIEAYTDG ACSGNPGPGG WGALLRWNGN EKELKGGEAE TTNNRMELMA AISALSALKE 70 80 90 100 110 120 PCEVDLYTDS VYVRDGISGW IEGWKRNGWK TAAKKPVKNA ELWQALDEAR KAHKVTWHWI 130 140 150 KGHAGHPENE RADELARAGM EPFKYAGHRT LKVK

References

[1]

"Whole-genome analyses of speciation events in pathogenic Brucellae." Chain P.S., Comerci D.J., Tolmasky M.E., Larimer F.W., Malfatti S.A., Vergez L.M., Aguero F., Land M.L., Ugalde R.A., Garcia E. Infect. Immun. 73:8353-8361(2005) [PubMed: 16299333] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	AM040264 Genomic DNA. Translation: CAJ10459.1.
RefSeq	YP_413958.1.
3D structure databases
HSSP	HSSP built from PDB template 1WSJ based on UniProtKB P0A7Y4.
ModBase	Search...
Protein-protein interaction databases
STRING	Q2YMI3.
Genome annotation databases
GeneID	3788906.
GenomeReviews	Gene locus BAB1_0503 in contig AM040264_GR.
KEGG	bmf:BAB1_0503.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q2YMI3.
OMA	ARGWKTA
Enzyme and pathway databases
BioCyc	BMEL359391:BAB1_0503-MON.
Family and domain databases
HAMAP	MF_00042. [Tree]
InterPro	IPR012337. PolynucTfrase_RNaseH_fold. IPR002156. RNase_H. [Graphical view]
Pfam	PF00075. RnaseH. 1 hit. [Graphical view]
PROSITE	PS50879. RNASE_H. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

RNH_BRUA2

Accession

Primary (citable) accession number: Q2YMI3

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 29, 2008
Last sequence update:	December 20, 2005
Last modified:	November 24, 2009
This is version 37 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)