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P57275

- RIR2_BUCAI

UniProt

P57275 - RIR2_BUCAI

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Protein
Ribonucleoside-diphosphate reductase subunit beta
Gene
nrdB, BU178
Organism
Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon pisum symbiotic bacterium)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides By similarity.

Catalytic activityi

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

Cofactori

Binds 2 iron ions per subunit By similarity.

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi85 – 851Iron 1 By similarity
Metal bindingi116 – 1161Iron 1 By similarity
Metal bindingi116 – 1161Iron 2 By similarity
Metal bindingi119 – 1191Iron 1 By similarity
Active sitei123 – 1231 By similarity
Metal bindingi205 – 2051Iron 2 By similarity
Metal bindingi239 – 2391Iron 2 By similarity
Metal bindingi242 – 2421Iron 2 By similarity

GO - Molecular functioni

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

GO - Biological processi

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

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

DNA replication

Keywords - Ligandi

Iron, Metal-binding

Enzyme and pathway databases

BioCyciBAPH107806:GBZJ-177-MONOMER.
UniPathwayiUPA00326.

Names & Taxonomyi

Protein namesi
Recommended name:
Ribonucleoside-diphosphate reductase subunit beta (EC:1.17.4.1)
Alternative name(s):
Ribonucleotide reductase small subunit
Gene namesi
Name:nrdB
Ordered Locus Names:BU178
OrganismiBuchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon pisum symbiotic bacterium)
Taxonomic identifieri107806 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeBuchnera
ProteomesiUP000001806: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 376376Ribonucleoside-diphosphate reductase subunit beta
PRO_0000190470Add
BLAST

Interactioni

Subunit structurei

Tetramer of two alpha and two beta subunits By similarity.

Structurei

3D structure databases

ProteinModelPortaliP57275.
SMRiP57275. Positions 2-342.

Family & Domainsi

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG0208.
HOGENOMiHOG000278087.
KOiK00526.
OMAiWIETWAF.
OrthoDBiEOG6J48J7.

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.

P57275-1 [UniParc]FASTAAdd to Basket

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MSYTIFSKKK NNQLKEPMFF GQPVNIARYD QQKYKIFEQL IEKQLSFFWR    50
PEEIDLSRDR IDFQNLPDNE KHIFISNLKY QTLLDSIQGR SPNIAFLPII 100
SIPELETWIE TWSFSETIHS RSYTHIIRNI VNCPSLVFDD IISNKNIYDR 150
AQNISIYYDE LINLTSYWHL LGEGIHLING KKIHINLRFL KKRLYLCLIS 200
VNVLEAIRFY VSFACSFAFA ERELMEGNAK IIRLIARDEA LHLTGTQHIL 250
NLLSNIKNNE NMEDVVLECK EEAINIFISA AQQEKKWASY LFKSGSMLGL 300
NKDILCQYIE YITNIRMHAI GFKMPFKKQS NPIPWINDWL TSDNIQIAPQ 350
ETEISSYLVG QIDSEVSDNE FKKFEL 376
Length:376
Mass (Da):44,146
Last modified:December 1, 2000 - v1
Checksum:iBECC1B02F77CBB32
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000003 Genomic DNA. Translation: BAB12895.1.
RefSeqiNP_240009.1. NC_002528.1.

Genome annotation databases

EnsemblBacteriaiBAB12895; BAB12895; BAB12895.
GeneIDi1109621.
KEGGibuc:BU178.
PATRICi21243874. VBIBucAph127364_0189.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000003 Genomic DNA. Translation: BAB12895.1 .
RefSeqi NP_240009.1. NC_002528.1.

3D structure databases

ProteinModelPortali P57275.
SMRi P57275. Positions 2-342.
ModBasei Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAB12895 ; BAB12895 ; BAB12895 .
GeneIDi 1109621.
KEGGi buc:BU178.
PATRICi 21243874. VBIBucAph127364_0189.

Phylogenomic databases

eggNOGi COG0208.
HOGENOMi HOG000278087.
KOi K00526.
OMAi WIETWAF.
OrthoDBi EOG6J48J7.

Enzyme and pathway databases

UniPathwayi UPA00326 .
BioCyci BAPH107806:GBZJ-177-MONOMER.

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

  1. "Genome sequence of the endocellular bacterial symbiont of aphids Buchnera sp. APS."
    Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H.
    Nature 407:81-86(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: APS.

Entry informationi

Entry nameiRIR2_BUCAI
AccessioniPrimary (citable) accession number: P57275
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 1, 2000
Last sequence update: December 1, 2000
Last modified: May 14, 2014
This is version 93 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Buchnera aphidicola (subsp. Acyrthosiphon pisum)
    Buchnera aphidicola (subsp. Acyrthosiphon pisum): entries and gene names
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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