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Protein

Ion-translocating oxidoreductase complex subunit B

Gene

rnfB

Organism
Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
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 bindingi46Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi49Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi54Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi70Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi110Iron-sulfur 2 (4Fe-4S)UniRule annotation1
Metal bindingi113Iron-sulfur 2 (4Fe-4S)UniRule annotation1
Metal bindingi116Iron-sulfur 2 (4Fe-4S)UniRule annotation1
Metal bindingi120Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi140Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi143Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi146Iron-sulfur 3 (4Fe-4S)UniRule annotation1
Metal bindingi150Iron-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

BioCyciHINF71421:G1GJ1-1700-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:HI_1684
OrganismiHaemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
Taxonomic identifieri71421 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPasteurellalesPasteurellaceaeHaemophilus
Proteomesi
  • UP000000579 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_00002162741 – 193Ion-translocating oxidoreductase complex subunit BAdd BLAST193

Interactioni

Subunit structurei

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

Protein-protein interaction databases

STRINGi71421.HI1684

Structurei

3D structure databases

ProteinModelPortaliP71396
SMRiP71396
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini29 – 874Fe-4SUniRule annotationAdd BLAST59
Domaini101 – 1304Fe-4S ferredoxin-type 1UniRule annotationAdd BLAST30
Domaini131 – 1604Fe-4S ferredoxin-type 2UniRule annotationAdd BLAST30

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni1 – 23HydrophobicUniRule annotationAdd BLAST23

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
PhylomeDBiP71396

Family and domain databases

HAMAPiMF_00463 RsxB_RnfB, 1 hit
InterProiView protein in InterPro
IPR007202 4Fe-4S_dom
IPR017896 4Fe4S_Fe-S-bd
IPR017900 4Fe4S_Fe_S_CS
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.

P71396-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTFLFIVITL LALIFGAILG FASIKLKVEA DPVVEKIDAI LPQSQCGQCG
60 70 80 90 100
YPGCKPYAEA ICNGDEITKC IPGGQTTIVK IAEILGVDVP TMEGIEEPIE
110 120 130 140 150
KVAFIDENMC IGCTKCIQAC PVDAIIGTNK AMHTIIPDLC TGCELCVAPC
160 170 180 190
PTDCILMIPV KKNIDNWDWK FDAKLVIPVM NVDGSEKKLV VGE
Length:193
Mass (Da):20,762
Last modified:February 1, 1997 - v1
Checksum:i6FAA3AF75C5C2385
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
L42023 Genomic DNA Translation: AAC23330.1
PIRiH64174
RefSeqiNP_439826.1, NC_000907.1
WP_005650033.1, NC_000907.1

Genome annotation databases

EnsemblBacteriaiAAC23330; AAC23330; HI_1684
GeneIDi950511
KEGGihin:HI1684
PATRICifig|71421.8.peg.1763

Similar proteinsi

Entry informationi

Entry nameiRNFB_HAEIN
AccessioniPrimary (citable) accession number: P71396
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 15, 1999
Last sequence update: February 1, 1997
Last modified: March 28, 2018
This is version 123 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, Reference proteome
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health