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UniProtKB - B2VG43 (B2VG43_ERWT9)

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Protein

Sec-independent protein translocase protein TatB

Gene

tatB

Organism
Erwinia tasmaniensis (strain DSM 17950 / CIP 109463 / Et1/99)
Status
Unreviewed-Annotation score: Annotation score: 2 out of 5-Protein inferred from homologyi

Functioni

Part of the twin-arginine translocation (Tat) system that transports large folded proteins containing a characteristic twin-arginine motif in their signal peptide across membranes. Together with TatC, TatB is part of a receptor directly interacting with Tat signal peptides. TatB may form an oligomeric binding site that transiently accommodates folded Tat precursor proteins before their translocation.UniRule annotationSAAS annotation

GO - Molecular functioni

Complete GO annotation...

GO - Biological processi

Complete GO annotation...

Keywordsi

Biological processProtein transport, TranslocationUniRule annotationSAAS annotation, Transport

Names & Taxonomyi

Protein namesi
Recommended name:
Sec-independent protein translocase protein TatBUniRule annotationSAAS annotation
Gene namesi
Name:tatBUniRule annotationImported
Ordered Locus Names:ETA_02390Imported
OrganismiErwinia tasmaniensis (strain DSM 17950 / CIP 109463 / Et1/99)Imported
Taxonomic identifieri465817 [NCBI]
Taxonomic lineageiBacteria › Proteobacteria › Gammaproteobacteria › Enterobacterales › Erwiniaceae › Erwinia ›
Proteomesi
  • UP000001726 Componenti: Chromosome

Subcellular locationi

  • Cell inner membrane UniRule annotation; Single-pass membrane protein UniRule annotation

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cell inner membraneUniRule annotation, Cell membrane, Membrane

Interactioni

Subunit structurei

The Tat system comprises two distinct complexes: a TatABC complex, containing multiple copies of TatA, TatB and TatC subunits, and a separate TatA complex, containing only TatA subunits. Substrates initially bind to the TatABC complex, which probably triggers association of the separate TatA complex to form the active translocon.UniRule annotationSAAS annotation

Protein-protein interaction databases

STRINGi465817.ETA_02390.

Family & Domainsi

Sequence similaritiesi

Belongs to the TatB family.UniRule annotationSAAS annotation

Keywords - Domaini

Transmembrane, Transmembrane helixUniRule annotationSAAS annotation

Phylogenomic databases

eggNOGiENOG4105X8U. Bacteria.
COG1826. LUCA.
HOGENOMiHOG000245368.
KOiK03117.
OrthoDBiPOG091H03UT.

Family and domain databases

HAMAPiMF_00237. TatB. 1 hit.
InterProiView protein in InterPro
IPR018448. TatB.
IPR003998. TatB-like.
PRINTSiPR01506. TATBPROTEIN.
TIGRFAMsiTIGR01410. tatB. 1 hit.

Sequencei

Sequence statusi: Complete.

B2VG43-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MFDIGFSELV LVFVIGLVVL GPQRLPVAVR TVMGWIRALR SLATSVQNEL 
        60         70         80         90        100
AQELKLQELQ DGLKKIEQAS KDNLSPELKA SVEELKQTAN SMKRSYLGEN 
       110        120        130        140        150
EKADDEAHTI HNPLQKRPQE AHDGVTPAQA EHQADAPAQA PVTVTQKASS 
       160        170        180 
GSQAESQADS KQEPPASVAP RAPVTSTPPS DER
Length:183
Mass (Da):19,792
Last modified:July 1, 2008 - v1
Checksum:i2769E70F32B92B89
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CU468135 Genomic DNA. Translation: CAO95285.1.
RefSeqiWP_012440005.1. NC_010694.1.

Genome annotation databases

EnsemblBacteriaiCAO95285; CAO95285; ETA_02390.
KEGGieta:ETA_02390.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CU468135 Genomic DNA. Translation: CAO95285.1.
RefSeqiWP_012440005.1. NC_010694.1.

3D structure databases

ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi465817.ETA_02390.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiCAO95285; CAO95285; ETA_02390.
KEGGieta:ETA_02390.

Phylogenomic databases

eggNOGiENOG4105X8U. Bacteria.
COG1826. LUCA.
HOGENOMiHOG000245368.
KOiK03117.
OrthoDBiPOG091H03UT.

Family and domain databases

HAMAPiMF_00237. TatB. 1 hit.
InterProiView protein in InterPro
IPR018448. TatB.
IPR003998. TatB-like.
PRINTSiPR01506. TATBPROTEIN.
TIGRFAMsiTIGR01410. tatB. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiB2VG43_ERWT9
AccessioniPrimary (citable) accession number: B2VG43
Entry historyiIntegrated into UniProtKB/TrEMBL: July 1, 2008
Last sequence update: July 1, 2008
Last modified: June 7, 2017
This is version 67 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteomeImported

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.