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Protein

Trigger factor

Gene

tig

Organism
Escherichia coli O157:H7
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Involved in protein export. Acts as a chaperone by maintaining the newly synthesized protein in an open conformation. Functions as a peptidyl-prolyl cis-trans isomerase (By similarity).By similarity

Catalytic activityi

Peptidylproline (omega=180) = peptidylproline (omega=0).

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionChaperone, Isomerase, Rotamase
Biological processCell cycle, Cell division

Names & Taxonomyi

Protein namesi
Recommended name:
Trigger factor (EC:5.2.1.8)
Short name:
TF
Alternative name(s):
PPIase
Gene namesi
Name:tig
Ordered Locus Names:Z0541, ECs0490
OrganismiEscherichia coli O157:H7
Taxonomic identifieri83334 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia
Proteomesi
  • UP000000558 Componenti: Chromosome
  • UP000002519 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm
  • Note: About half TF is bound to the ribosome near the polypeptide exit tunnel while the other half is free in the cytoplasm.By similarity

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001793481 – 432Trigger factorAdd BLAST432

Proteomic databases

PRIDEiP0A851

Interactioni

Subunit structurei

Homodimer and monomer. In vivo most of the ribosomes are in complex with monomeric TF. Uncomplexed TF, however, is in a monomer-dimer equilibrium with approximately two thirds of TF existing in a dimeric state (By similarity).By similarity

Protein-protein interaction databases

STRINGi155864.Z0541

Structurei

3D structure databases

ProteinModelPortaliP0A851
SMRiP0A851
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini161 – 246PPIase FKBP-typeAdd BLAST86

Domaini

Consists of 3 domains; the N-terminus binds the ribosome, the middle domain has PPIase activity, while the C-terminus has intrinsic chaperone activity on its own.By similarity

Sequence similaritiesi

Belongs to the FKBP-type PPIase family. Tig subfamily.Curated

Phylogenomic databases

eggNOGiENOG4105DEA Bacteria
COG0544 LUCA
HOGENOMiHOG000218239
KOiK03545
OMAiMAMIEDR

Family and domain databases

Gene3Di1.10.3120.10, 2 hits
3.30.70.1050, 1 hit
HAMAPiMF_00303 Trigger_factor_Tig, 1 hit
InterProiView protein in InterPro
IPR001179 PPIase_FKBP_dom
IPR005215 Trig_fac
IPR008880 Trigger_fac_C
IPR037041 Trigger_fac_C_sf
IPR008881 Trigger_fac_ribosome-bd_bac
IPR036611 Trigger_fac_ribosome-bd_sf
IPR027304 Trigger_fact/SurA_dom_sf
PANTHERiPTHR30560 PTHR30560, 1 hit
PfamiView protein in Pfam
PF00254 FKBP_C, 1 hit
PF05698 Trigger_C, 1 hit
PF05697 Trigger_N, 1 hit
PIRSFiPIRSF003095 Trigger_factor, 1 hit
SUPFAMiSSF102735 SSF102735, 1 hit
SSF109998 SSF109998, 1 hit
TIGRFAMsiTIGR00115 tig, 1 hit
PROSITEiView protein in PROSITE
PS50059 FKBP_PPIASE, 1 hit

Sequencei

Sequence statusi: Complete.

P0A851-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MQVSVETTQG LGRRVTITIA ADSIETAVKS ELVNVAKKVR IDGFRKGKVP
60 70 80 90 100
MNIVAQRYGA SVRQDVLGDL MSRNFIDAII KEKINPAGAP TYVPGEYKLG
110 120 130 140 150
EDFTYSVEFE VYPEVELQGL EAIEVEKPIV EVTDADVDGM LDTLRKQQAT
160 170 180 190 200
WKEKDGAVEA EDRVTIDFTG SVDGEEFEGG KASDFVLAMG QGRMIPGFED
210 220 230 240 250
GIKGHKAGEE FTIDVTFPEE YHAENLKGKA AKFAINLKKV EERELPELTA
260 270 280 290 300
EFIKRFGVED GSVEGLRAEV RKNMERELKS AIRNRVKSQA IEGLVKANDI
310 320 330 340 350
DVPAALIDSE IDVLRRQAAQ RFGGNEKQAL ELPRELFEEQ AKRRVVVGLL
360 370 380 390 400
LGEVIRTNEL KADEERVKGL IEEMASAYED PKEVIEFYSK NKELMDNMRN
410 420 430
VALEEQAVEA VLAKAKVTEK ETTFNELMNQ QA
Length:432
Mass (Da):48,193
Last modified:June 7, 2005 - v1
Checksum:i42C3E3C335074164
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE005174 Genomic DNA Translation: AAG54786.1
BA000007 Genomic DNA Translation: BAB33913.1
PIRiB90690
F85540
RefSeqiNP_308517.1, NC_002695.1
WP_001198386.1, NZ_NOKN01000002.1

Genome annotation databases

EnsemblBacteriaiAAG54786; AAG54786; Z0541
BAB33913; BAB33913; BAB33913
GeneIDi914592
KEGGiece:Z0541
ecs:ECs0490
PATRICifig|386585.9.peg.593

Similar proteinsi

Entry informationi

Entry nameiTIG_ECO57
AccessioniPrimary (citable) accession number: P0A851
Secondary accession number(s): P15299, P22257, P77603
Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 7, 2005
Last sequence update: June 7, 2005
Last modified: April 25, 2018
This is version 84 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

Documents

  1. SIMILARITY comments
    Index of protein domains and families

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