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Protein

Ion-translocating oxidoreductase complex subunit B

Gene

rnfB

Organism
Buchnera aphidicola subsp. Schizaphis graminum (strain Sg)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Part of a membrane-bound complex that couples electron transfer with translocation of ions across the membrane.UniRule annotation

Cofactori

[4Fe-4S] clusterUniRule annotationNote: Binds 3 [4Fe-4S] clusters.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi47Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi50Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi55Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi72Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi118Iron-sulfur 2 (4Fe-4S)UniRule annotation1
Metal bindingi121Iron-sulfur 2 (4Fe-4S)UniRule annotation1
Metal bindingi124Iron-sulfur 2 (4Fe-4S)UniRule annotation1
Metal bindingi128Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi148Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi151Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi154Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi158Iron-sulfur 2 (4Fe-4S)UniRule annotation1

GO - Molecular functioni

Keywordsi

Molecular functionOxidoreductase
Biological processElectron transport, Transport
Ligand4Fe-4S, Iron, Iron-sulfur, Metal-binding

Enzyme and pathway databases

BioCyciBAPH198804:G1FZU-118-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
Ion-translocating oxidoreductase complex subunit BUniRule annotation (EC:1.18.1.-UniRule annotation)
Alternative name(s):
Rnf electron transport complex subunit BUniRule annotation
Gene namesi
Name:rnfBUniRule annotation
Ordered Locus Names:BUsg_106
OrganismiBuchnera aphidicola subsp. Schizaphis graminum (strain Sg)
Taxonomic identifieri198804 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesErwiniaceaeBuchnera
Proteomesi
  • UP000000416 Componenti: Chromosome

Subcellular locationi

  • Cell inner membrane UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cell inner membrane, Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002162691 – 168Ion-translocating oxidoreductase complex subunit BAdd BLAST168

Interactioni

Subunit structurei

The complex is composed of six subunits: RnfA, RnfB, RnfC, RnfD, RnfE and RnfG.UniRule annotation

Protein-protein interaction databases

STRINGi198804.BUsg106

Structurei

3D structure databases

ProteinModelPortaliQ8KA20
SMRiQ8KA20
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini30 – 894Fe-4SUniRule annotationAdd BLAST60
Domaini109 – 1384Fe-4S ferredoxin-type 1UniRule annotationAdd BLAST30
Domaini139 – 1684Fe-4S ferredoxin-type 2UniRule annotationAdd BLAST30

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni1 – 24HydrophobicUniRule annotationAdd BLAST24

Sequence similaritiesi

Belongs to the 4Fe4S bacterial-type ferredoxin family. RnfB subfamily.UniRule annotation

Keywords - Domaini

Repeat

Phylogenomic databases

eggNOGiENOG4108R3D Bacteria
COG2878 LUCA
KOiK03616
OMAiCIDMLPV
OrthoDBiPOG091H01RQ

Family and domain databases

Gene3Di3.20.20.20, 1 hit
HAMAPiMF_00463 RsxB_RnfB, 1 hit
InterProiView protein in InterPro
IPR007202 4Fe-4S_dom
IPR017896 4Fe4S_Fe-S-bd
IPR017900 4Fe4S_Fe_S_CS
IPR011005 Dihydropteroate_synth-like
IPR010207 Elect_transpt_cplx_RnfB/RsxB
IPR016463 RnfB/RsxB_Proteobac
PANTHERiPTHR42859:SF3 PTHR42859:SF3, 1 hit
PfamiView protein in Pfam
PF04060 FeS, 1 hit
PIRSFiPIRSF005784 Elect_transpt_RnfB, 1 hit
TIGRFAMsiTIGR01944 rnfB, 1 hit
PROSITEiView protein in PROSITE
PS51656 4FE4S, 1 hit
PS00198 4FE4S_FER_1, 2 hits
PS51379 4FE4S_FER_2, 2 hits

Sequencei

Sequence statusi: Complete.

Q8KA20-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSITIILIFS ILSFLLGIIL SYVKYIFPIK KNSIIAEVDD LLPQSQCAQC
60 70 80 90 100
GYSGCYPYAK AIVKNNENID KCIPGGNNLK FKIAKVLNIK NIKYSLDNLN
110 120 130 140 150
AKNEKNIHTT VLIDEKNCVG CSKCASFCPV DAIIGTPNFM HTVLQKFCTG
160
CNICLLHCPT NCIKIIKE
Length:168
Mass (Da):18,626
Last modified:October 1, 2002 - v1
Checksum:iD7D6EEEBFD9D9122
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE013218 Genomic DNA Translation: AAM67676.1
RefSeqiWP_011053642.1, NC_004061.1

Genome annotation databases

EnsemblBacteriaiAAM67676; AAM67676; BUsg_106
KEGGibas:BUsg_106

Similar proteinsi

Entry informationi

Entry nameiRNFB_BUCAP
AccessioniPrimary (citable) accession number: Q8KA20
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 15, 2002
Last sequence update: October 1, 2002
Last modified: March 28, 2018
This is version 107 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health