Q1BAK3 (RNH2_MYCSS) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

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

Gene names

Name:	rnhB
Ordered Locus Names:	Mmcs_1972

Organism

Mycobacterium sp. (strain MCS) [Complete proteome] [HAMAP]

Taxonomic identifier

164756 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Corynebacterineae › Mycobacteriaceae › Mycobacterium

Protein attributes

Sequence length	239 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Endonuclease that specifically degrades the RNA of RNA-DNA hybrids By similarity. HAMAP MF_00052_B
Catalytic activity	Endonucleolytic cleavage to 5'-phosphomonoester. HAMAP MF_00052_B
Cofactor	Manganese or magnesium. Binds 1 divalent metal ion per monomer in the absence of substrate. May bind a second metal ion after substrate binding By similarity.
Subcellular location	Cytoplasm Potential HAMAP MF_00052_B.
Sequence similarities	Belongs to the RNase HII family.

Ontologies

Keywords
Cellular component	Cytoplasm
Ligand	Manganese Metal-binding
Molecular function	Endonuclease Hydrolase Nuclease
Technical term	Complete proteome
Gene Ontology (GO)
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	RNA binding Inferred from electronic annotation. Source: InterPro metal ion binding Inferred from electronic annotation. Source: UniProtKB-KW ribonuclease H activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 239	239	Ribonuclease HII HAMAP MF_00052_B		PRO_1000031167
Sites
	Metal binding	36	1	Divalent metal cation By similarity
	Metal binding	37	1	Divalent metal cation By similarity
	Metal binding	130	1	Divalent metal cation By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q1BAK3 [UniParc]. Last modified July 11, 2006. Version 1. Checksum: B4D1F7FB8FD21694	FASTA	239	25,290
	10 20 30 40 50 60 MPASWPPRTV IRKASGLRTL ESALYRNGLG PVAGVDEVGR GACAGPLVVA ACVLGPNRLE 70 80 90 100 110 120 SLAALDDSKK LGEKERERLF PVIRRYALAY HVVFIPSEEV DRRGVHVANI EGMRRAVAGL 130 140 150 160 170 180 SVRPGYVLSD GFRVPGLPMP SLPVVGGDAA AACIAAASVL AKVSRDRLMV AMEREHPGYG 190 200 210 220 230 FAEHKGYSTP AHTAALAELG PCAQHRYSFI NVRRLVTAGT PQISGGLTDA EPGQCCELG

References

[1]

"Complete sequence of chromosome of Mycobacterium sp. MCS." US DOE Joint Genome Institute Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Martinez M., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E. , Miller C.D., Hughes J.E., Anderson A.J., Sims R.C., Richardson P. Submitted (JUN-2006) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: MCS.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000384 Genomic DNA. Translation: ABG08081.1.
RefSeq	YP_639137.1. NC_008146.1.
3D structure databases
ProteinModelPortal	Q1BAK3.
ModBase	Search...
Protein-protein interaction databases
STRING	Q1BAK3.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBMYCT00000061968; EBMYCP00000060135; EBMYCG00000061963.
GeneID	4110806.
GenomeReviews	Gene locus Mmcs_1972 in contig CP000384_GR.
KEGG	mmc:Mmcs_1972.
PATRIC	18114129. VBIMycSp106721_2018.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0164.
GeneTree	EBGT00050000016477.
HOGENOM	HBG584843.
OMA	RLGPTPI.
ProtClustDB	PRK00015.
Enzyme and pathway databases
BioCyc	MSP164756:MMCS_1972-MONOMER.
Family and domain databases
HAMAP	MF_00052_B. RNase_HII_B. [Tree]
InterPro	IPR022898. RNase_HII. IPR001352. RNase_HII/HIII. IPR024567. RNase_HII/HIII_dom. IPR012337. RNaseH-like_dom. [Graphical view]
KO	K03470.
PANTHER	PTHR10954. RNase_HII/HIII. 1 hit.
Pfam	PF01351. RNase_HII. 1 hit. [Graphical view]
SUPFAM	SSF53098. RNaseH_fold. 1 hit.
ProtoNet	Search...

Entry information

Entry name

RNH2_MYCSS

Accession

Primary (citable) accession number: Q1BAK3

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	July 11, 2006
Last modified:	January 25, 2012
This is version 39 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program