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Q8KA20 (ETCB_BUCAP) Reviewed, UniProtKB/Swiss-Prot

Last modified May 14, 2014. Version 86. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Electron transport complex subunit B
Gene names
Ordered Locus Names:BUsg_106
OrganismBuchnera aphidicola subsp. Schizaphis graminum (strain Sg) [Complete proteome] [HAMAP]
Taxonomic identifier198804 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeBuchnera

Protein attributes

Sequence length168 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Part of a membrane complex involved in electron transport By similarity. HAMAP-Rule MF_00463

Cofactor

Binds 1 2Fe-2S cluster Potential.

Binds 2 4Fe-4S clusters Potential.

Subunit structure

Composed of six subunits By similarity. HAMAP-Rule MF_00463

Subcellular location

Cell inner membrane; Peripheral membrane protein By similarity HAMAP-Rule MF_00463.

Sequence similarities

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

Contains 1 4Fe-4S domain.

Contains 2 4Fe-4S ferredoxin-type domains.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 168168Electron transport complex subunit B HAMAP-Rule MF_00463
PRO_0000216269

Regions

Domain30 – 89604Fe-4S
Domain109 – 138304Fe-4S ferredoxin-type 1
Domain139 – 168304Fe-4S ferredoxin-type 2
Region1 – 2424Hydrophobic HAMAP-Rule MF_00463

Sites

Metal binding471Iron-sulfur 1 (2Fe-2S) Potential
Metal binding501Iron-sulfur 1 (2Fe-2S) Potential
Metal binding551Iron-sulfur 1 (2Fe-2S) Potential
Metal binding721Iron-sulfur 1 (2Fe-2S) Potential
Metal binding1181Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1211Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1241Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1281Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding1481Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding1511Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding1541Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding1581Iron-sulfur 2 (4Fe-4S) By similarity

Sequences

Sequence LengthMass (Da)Tools
Q8KA20 [UniParc].

Last modified October 1, 2002. Version 1.
Checksum: D7D6EEEBFD9D9122

FASTA16818,626
        10         20         30         40         50         60 
MSITIILIFS ILSFLLGIIL SYVKYIFPIK KNSIIAEVDD LLPQSQCAQC GYSGCYPYAK 

        70         80         90        100        110        120 
AIVKNNENID KCIPGGNNLK FKIAKVLNIK NIKYSLDNLN AKNEKNIHTT VLIDEKNCVG 

       130        140        150        160 
CSKCASFCPV DAIIGTPNFM HTVLQKFCTG CNICLLHCPT NCIKIIKE 

« Hide

References

[1]"50 million years of genomic stasis in endosymbiotic bacteria."
Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S., Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.
Science 296:2376-2379(2002) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: Sg.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AE013218 Genomic DNA. Translation: AAM67676.1.
RefSeqNP_660465.1. NC_004061.1.

3D structure databases

ProteinModelPortalQ8KA20.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING198804.BUsg106.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaAAM67676; AAM67676; BUsg_106.
GeneID1005923.
KEGGbas:BUsg106.
PATRIC21246991. VBIBucAph100086_0109.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG2878.
KOK03616.
OMAITKCVPG.
OrthoDBEOG60SCM3.

Enzyme and pathway databases

BioCycBAPH198804:GHMG-116-MONOMER.

Family and domain databases

HAMAPMF_00463. RsxB_RnfB.
InterProIPR007202. 4Fe-4S_dom.
IPR017896. 4Fe4S_Fe-S-bd.
IPR017900. 4Fe4S_Fe_S_CS.
IPR010207. Elect_transpt_cplx_RnfB.
IPR016463. RnfB_Proteobac.
[Graphical view]
PfamPF04060. FeS. 1 hit.
[Graphical view]
PIRSFPIRSF005784. Elect_transpt_RnfB. 1 hit.
TIGRFAMsTIGR01944. rnfB. 1 hit.
PROSITEPS51656. 4FE4S. 1 hit.
PS00198. 4FE4S_FER_1. 2 hits.
PS51379. 4FE4S_FER_2. 2 hits.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameETCB_BUCAP
AccessionPrimary (citable) accession number: Q8KA20
Entry history
Integrated into UniProtKB/Swiss-Prot: November 15, 2002
Last sequence update: October 1, 2002
Last modified: May 14, 2014
This is version 86 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

Buchnera aphidicola (subsp. Schizaphis graminum)

Buchnera aphidicola (subsp. Schizaphis graminum): entries and gene names