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P09247

- RIR2_VZVD

UniProt

P09247 - RIR2_VZVD

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Protein

Ribonucleoside-diphosphate reductase small chain

Gene

ORF18

Organism
Varicella-zoster virus (strain Dumas) (HHV-3) (Human herpesvirus 3)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

Ribonucleoside-diphosphate reductase holoenzyme provides the precursors necessary for viral DNA synthesis. Allows virus growth in non-dividing cells, as well as reactivation from latency in infected hosts. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides. The N-terminal region confers antiapoptotic activity in differentiated cells such as neurons and is important for viral reactivation to increase neural survivability (By similarity).By similarity

Catalytic activityi

2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H2O = ribonucleoside diphosphate + thioredoxin.PROSITE-ProRule annotation

Cofactori

Fe cationBy similarityNote: Binds 2 iron ions per subunit.By similarity

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi66 – 661Iron 1PROSITE-ProRule annotation
Metal bindingi96 – 961Iron 1PROSITE-ProRule annotation
Metal bindingi96 – 961Iron 2By similarity
Metal bindingi99 – 991Iron 1PROSITE-ProRule annotation
Active sitei103 – 1031PROSITE-ProRule annotation
Metal bindingi159 – 1591Iron 2By similarity
Metal bindingi193 – 1931Iron 2By similarity
Metal bindingi196 – 1961Iron 2By similarity

GO - Molecular functioni

  1. metal ion binding Source: UniProtKB-KW
  2. ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor Source: UniProtKB-EC

GO - Biological processi

  1. deoxyribonucleoside diphosphate metabolic process Source: InterPro
  2. DNA replication Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

DNA replication

Keywords - Ligandi

Iron, Metal-binding

Enzyme and pathway databases

UniPathwayiUPA00326.

Names & Taxonomyi

Protein namesi
Recommended name:
Ribonucleoside-diphosphate reductase small chain (EC:1.17.4.1)
Short name:
R2
Alternative name(s):
Ribonucleotide reductase small subunit
Gene namesi
ORF Names:ORF18
OrganismiVaricella-zoster virus (strain Dumas) (HHV-3) (Human herpesvirus 3)
Taxonomic identifieri10338 [NCBI]
Taxonomic lineageiVirusesdsDNA viruses, no RNA stageHerpesviralesHerpesviridaeAlphaherpesvirinaeVaricellovirus
Virus hostiHomo sapiens (Human) [TaxID: 9606]
ProteomesiUP000002602: Genome

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei153 – 17321HelicalSequence AnalysisAdd
BLAST

GO - Cellular componenti

  1. host cell membrane Source: UniProtKB-KW
  2. integral component of membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Host membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 306306Ribonucleoside-diphosphate reductase small chainPRO_0000190512Add
BLAST

Interactioni

Subunit structurei

Heterotetramer composed of a homodimer of the large subunit ORF19 (R1) and a homodimer of the small subunit ORF18 (R2). Larger multisubunit protein complex are also active, composed of (R1)n(R2)n (By similarity).By similarity

Structurei

3D structure databases

ProteinModelPortaliP09247.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

Gene3Di1.10.620.20. 1 hit.
InterProiIPR009078. Ferritin-like_SF.
IPR012348. RNR-rel.
IPR000358. RNR_small.
[Graphical view]
PANTHERiPTHR23409. PTHR23409. 1 hit.
PfamiPF00268. Ribonuc_red_sm. 1 hit.
[Graphical view]
SUPFAMiSSF47240. SSF47240. 1 hit.
PROSITEiPS00368. RIBORED_SMALL. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P09247-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MDQKDCSHFF YRPECPDINN LRALSISNRW LESDFIIEDD YQYLDCLTED
60 70 80 90 100
ELIFYRFIFT FLSAADDLVN VNLGSLTQLF SQKDIHHYYI EQECIEVVHA
110 120 130 140 150
RVYSQIQLML FRGDESLRVQ YVNVTINNPS IQQKVQWLEE KVRDNPSVAE
160 170 180 190 200
KYILMILIEG IFFVSSFAAI AYLRNNGLFV VTCQFNDLIS RDEAIHTSAS
210 220 230 240 250
CCIYNNYVPE KPAITRIHQL FSEAVEIECA FLKSHAPKTR LVNVDAITQY
260 270 280 290 300
VKFSADRLLS AINVPKLFNT PPPDSDFPLA FMIADKNTNF FERHSTSYAG

TVINDL
Length:306
Mass (Da):35,397
Last modified:July 1, 1989 - v1
Checksum:i76CD3F8BB8C1B094
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X04370 Genomic DNA. Translation: CAA27901.1.
PIRiI27342. WMBE18.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X04370 Genomic DNA. Translation: CAA27901.1 .
PIRi I27342. WMBE18.

3D structure databases

ProteinModelPortali P09247.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Enzyme and pathway databases

UniPathwayi UPA00326 .

Family and domain databases

Gene3Di 1.10.620.20. 1 hit.
InterProi IPR009078. Ferritin-like_SF.
IPR012348. RNR-rel.
IPR000358. RNR_small.
[Graphical view ]
PANTHERi PTHR23409. PTHR23409. 1 hit.
Pfami PF00268. Ribonuc_red_sm. 1 hit.
[Graphical view ]
SUPFAMi SSF47240. SSF47240. 1 hit.
PROSITEi PS00368. RIBORED_SMALL. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "The complete DNA sequence of varicella-zoster virus."
    Davison A.J., Scott J.E.
    J. Gen. Virol. 67:1759-1816(1986) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  2. "Tinkering with a viral ribonucleotide reductase."
    Lembo D., Brune W.
    Trends Biochem. Sci. 34:25-32(2009) [PubMed] [Europe PMC] [Abstract]
    Cited for: REVIEW.

Entry informationi

Entry nameiRIR2_VZVD
AccessioniPrimary (citable) accession number: P09247
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: July 1, 1989
Last modified: November 26, 2014
This is version 95 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3