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Protein

Sec-independent protein translocase protein TatB

Gene

tatB

Organism
Escherichia coli (strain SMS-3-5 / SECEC)
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

GO - Biological processi

Complete GO annotation...

Keywords - Biological processi

Protein transport, TranslocationUniRule annotationSAAS annotation, Transport

Enzyme and pathway databases

BioCyciECOL439855:GHHB-4215-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Sec-independent protein translocase protein TatBUniRule annotationSAAS annotation
Gene namesi
Name:tatBUniRule annotationImported
Ordered Locus Names:EcSMS35_4220Imported
OrganismiEscherichia coli (strain SMS-3-5 / SECEC)Imported
Taxonomic identifieri439855 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
Proteomesi
  • UP000007011 Componenti: Chromosome

Subcellular locationi

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

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei1 – 2121HelicalUniRule annotationAdd
BLAST

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

Structurei

3D structure databases

ProteinModelPortaliB1LM25.
SMRiB1LM25. Positions 1-101.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the TatB family.UniRule annotationSAAS annotation

Keywords - Domaini

Transmembrane, Transmembrane helixUniRule annotationSAAS annotation

Phylogenomic databases

HOGENOMiHOG000245368.
KOiK03117.
OMAiNEAQHEG.
OrthoDBiEOG6WQD34.

Family and domain databases

HAMAPiMF_00237. TatB.
InterProiIPR018448. TatB.
IPR003998. TatB-like.
[Graphical view]
PRINTSiPR01506. TATBPROTEIN.
TIGRFAMsiTIGR01410. tatB. 1 hit.

Sequencei

Sequence statusi: Complete.

B1LM25-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MFDIGFSELL LVFIIGLVVL GPQRLPVAVK TVAGWIRALR SLATTVQNEL
60 70 80 90 100
TQELKLQEFQ DSLKKVEKAS LTNLTPELKA SMDELRQAAE SMKRSYVAND
110 120 130 140 150
PEKASDEAHT IHNPVVKDNE AAHEGVTPAA AQTQASSPEQ KPETTPEPVV
160 170
KPAADAEPKT AAPSPSSSDK P
Length:171
Mass (Da):18,421
Last modified:April 29, 2008 - v1
Checksum:i31F1405404F5DABF
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000970 Genomic DNA. Translation: ACB16507.1.
RefSeqiWP_000459594.1. NC_010498.1.

Genome annotation databases

EnsemblBacteriaiACB16507; ACB16507; EcSMS35_4220.
KEGGiecm:EcSMS35_4220.
PATRICi18437366. VBIEscCol6161_4354.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000970 Genomic DNA. Translation: ACB16507.1.
RefSeqiWP_000459594.1. NC_010498.1.

3D structure databases

ProteinModelPortaliB1LM25.
SMRiB1LM25. Positions 1-101.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiACB16507; ACB16507; EcSMS35_4220.
KEGGiecm:EcSMS35_4220.
PATRICi18437366. VBIEscCol6161_4354.

Phylogenomic databases

HOGENOMiHOG000245368.
KOiK03117.
OMAiNEAQHEG.
OrthoDBiEOG6WQD34.

Enzyme and pathway databases

BioCyciECOL439855:GHHB-4215-MONOMER.

Family and domain databases

HAMAPiMF_00237. TatB.
InterProiIPR018448. TatB.
IPR003998. TatB-like.
[Graphical view]
PRINTSiPR01506. TATBPROTEIN.
TIGRFAMsiTIGR01410. tatB. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. "Insights into the environmental resistance gene pool from the genome sequence of the multidrug-resistant environmental isolate Escherichia coli SMS-3-5."
    Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C., Ravel J., Stepanauskas R.
    J. Bacteriol. 190:6779-6794(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: SMS-3-5 / SECECImported.

Entry informationi

Entry nameiB1LM25_ECOSM
AccessioniPrimary (citable) accession number: B1LM25
Entry historyi
Integrated into UniProtKB/TrEMBL: April 29, 2008
Last sequence update: April 29, 2008
Last modified: May 11, 2016
This is version 59 of the entry and version 1 of the sequence. [Complete history]
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Keywords - Technical termi

Complete 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.