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UniProtKB - P77718 (THII_ECOLI)

Entry version 156 (12 Aug 2020)
Sequence version 1 (01 Feb 1997)
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Protein

tRNA sulfurtransferase

Gene

thiI

Organism
Escherichia coli (strain K12)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Catalyzes the ATP-dependent transfer of a sulfur to tRNA to produce 4-thiouridine in position 8 of tRNAs, which functions as a near-UV photosensor. Also catalyzes the transfer of sulfur to the sulfur carrier protein ThiS, forming ThiS-thiocarboxylate. This is a step in the synthesis of thiazole, in the thiamine biosynthesis pathway. The sulfur is donated as persulfide by IscS.3 Publications

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the 'Function' section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>Kineticsi

  1. KM=0.24 mM for ATP1 Publication
  2. KM=0.84 mM for GTP1 Publication
  1. Vmax=1.9 nmol/min/mg enzyme with ATP as cosubstrate1 Publication
  2. Vmax=1.29 nmol/min/mg enzyme with GTP as cosubstrate1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: thiamine diphosphate biosynthesis

This protein is involved in the pathway thiamine diphosphate biosynthesis, which is part of Cofactor biosynthesis.
View all proteins of this organism that are known to be involved in the pathway thiamine diphosphate biosynthesis and in Cofactor biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei265ATPBy similarity1
Binding sitei287ATP; via amide nitrogenBy similarity1
Binding sitei296ATPBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei456Cysteine persulfide intermediate1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi183 – 184ATPBy similarity2

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionRNA-binding, Transferase, tRNA-binding
Biological processThiamine biosynthesis
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...BioCyci		EcoCyc:THII-MONOMER
ECOL316407:JW0413-MONOMER
MetaCyc:THII-MONOMER

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...UniPathwayi		UPA00060

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
tRNA sulfurtransferase (EC:2.8.1.4)
Alternative name(s):
Sulfur carrier protein ThiS sulfurtransferase
Thiamine biosynthesis protein ThiI
tRNA 4-thiouridine synthase
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:thiI
Synonyms:yajK
Ordered Locus Names:b0423, JW0413
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiEscherichia coli (strain K12)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri83333 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiBacteria › Proteobacteria › Gammaproteobacteria › Enterobacterales › Enterobacteriaceae › Escherichia ›
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000318 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome
  • UP000000625 Componenti: Chromosome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

GO - Cellular componenti

Complete GO annotation on QuickGO ...

Keywords - Cellular componenti

Cytoplasm

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology%5Fand%5Fbiotech%5Fsection">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi108C → A: No effect. 1 Publication1
Mutagenesisi189D → A: No activity. 1 Publication1
Mutagenesisi202C → A: No effect. 1 Publication1
Mutagenesisi207C → A: Enables partial functional complementation in vivo. Four-fold reduction in activity. 1 Publication1
Mutagenesisi321K → M: No activity. 1 Publication1
Mutagenesisi321K → R: Approximately half of wild-type activity. 1 Publication1
Mutagenesisi344C → A: Cannot functionally complement for wild-type enzyme in vivo. 2700-fold reduction in activity. 1 Publication1
Mutagenesisi456C → A: No activity. 1 Publication1

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001548371 – 482tRNA sulfurtransferaseAdd BLAST482

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi344 ↔ 456Redox-active1 Publication

Keywords - PTMi

Disulfide bond

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		P77718

PaxDb, a database of protein abundance averages across all three domains of life

More...PaxDbi		P77718

PRoteomics IDEntifications database

More...PRIDEi		P77718

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		4263344, 4 interactors

Database of interacting proteins

More...DIPi		DIP-10985N

Protein interaction database and analysis system

More...IntActi		P77718, 13 interactors

STRING: functional protein association networks

More...STRINGi		511145.b0423

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...SMRi		P77718

Database of comparative protein structure models

More...ModBasei		Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini61 – 165THUMPAdd BLAST105
Domaini404 – 482RhodaneseAdd BLAST79

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the ThiI family.Curated

Keywords - Domaini

Redox-active center

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		COG0301, Bacteria
COG0607, Bacteria

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		CLU_037952_4_1_6

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		P77718

KEGG Orthology (KO)

More...KOi		K03151

Database for complete collections of gene phylogenies

More...PhylomeDBi		P77718

Family and domain databases

Conserved Domains Database

More...CDDi		cd01712, ThiI, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		3.40.250.10, 1 hit
3.40.50.620, 1 hit

HAMAP database of protein families

More...HAMAPi		MF_00021, ThiI, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR001763, Rhodanese-like_dom
IPR036873, Rhodanese-like_dom_sf
IPR014729, Rossmann-like_a/b/a_fold
IPR026340, Thiazole_biosynth_dom
IPR020536, ThiI_AANH
IPR004114, THUMP_dom
IPR003720, tRNA_STrfase

Pfam protein domain database

More...Pfami		View protein in Pfam
PF02568, ThiI, 1 hit
PF02926, THUMP, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...SMARTi		View protein in SMART
SM00981, THUMP, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF52821, SSF52821, 1 hit

TIGRFAMs; a protein family database

More...TIGRFAMsi		TIGR04271, ThiI_C_thiazole, 1 hit
TIGR00342, TIGR00342, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS50206, RHODANESE_3, 1 hit
PS51165, THUMP, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

P77718-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MKFIIKLFPE ITIKSQSVRL RFIKILTGNI RNVLKHYDET LAVVRHWDNI 
        60         70         80         90        100
EVRAKDENQR LAIRDALTRI PGIHHILEVE DVPFTDMHDI FEKALVQYRD 
       110        120        130        140        150
QLEGKTFCVR VKRRGKHDFS SIDVERYVGG GLNQHIESAR VKLTNPDVTV 
       160        170        180        190        200
HLEVEDDRLL LIKGRYEGIG GFPIGTQEDV LSLISGGFDS GVSSYMLMRR 
       210        220        230        240        250
GCRVHYCFFN LGGAAHEIGV RQVAHYLWNR FGSSHRVRFV AINFEPVVGE 
       260        270        280        290        300
ILEKIDDGQM GVILKRMMVR AASKVAERYG VQALVTGEAL GQVSSQTLTN 
       310        320        330        340        350
LRLIDNVSDT LILRPLISYD KEHIINLARQ IGTEDFARTM PEYCGVISKS 
       360        370        380        390        400
PTVKAVKSKI EAEEEKFDFS ILDKVVEEAN NVDIREIAQQ TEQEVVEVET 
       410        420        430        440        450
VNGFGPNDVI LDIRSIDEQE DKPLKVEGID VVSLPFYKLS TKFGDLDQNK 
       460        470        480 
TWLLWCERGV MSRLQALYLR EQGFNNVKVY RP
Length:482
Mass (Da):54,973
Last modified:February 1, 1997 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i72AF449459E45762
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
U82664 Genomic DNA Translation: AAB40179.1
U00096 Genomic DNA Translation: AAC73526.1
AP009048 Genomic DNA Translation: BAE76203.1
U34923 Genomic DNA No translation available.

Protein sequence database of the Protein Information Resource

More...PIRi		G64771

NCBI Reference Sequences

More...RefSeqi		NP_414957.1, NC_000913.3
WP_000668662.1, NZ_SSUW01000008.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...EnsemblBacteriai		AAC73526; AAC73526; b0423
BAE76203; BAE76203; BAE76203

Database of genes from NCBI RefSeq genomes

More...GeneIDi		945067

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		ecj:JW0413
eco:b0423

Pathosystems Resource Integration Center (PATRIC)

More...PATRICi		fig|1411691.4.peg.1854

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U82664 Genomic DNA Translation: AAB40179.1
U00096 Genomic DNA Translation: AAC73526.1
AP009048 Genomic DNA Translation: BAE76203.1
U34923 Genomic DNA No translation available.
PIRiG64771
RefSeqiNP_414957.1, NC_000913.3
WP_000668662.1, NZ_SSUW01000008.1

3D structure databases

SMRiP77718
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi4263344, 4 interactors
DIPiDIP-10985N
IntActiP77718, 13 interactors
STRINGi511145.b0423

Proteomic databases

jPOSTiP77718
PaxDbiP77718
PRIDEiP77718

Genome annotation databases

EnsemblBacteriaiAAC73526; AAC73526; b0423
BAE76203; BAE76203; BAE76203
GeneIDi945067
KEGGiecj:JW0413
eco:b0423
PATRICifig|1411691.4.peg.1854

Organism-specific databases

EchoBASE - an integrated post-genomic database for E. coli

More...EchoBASEi		EB3058

Phylogenomic databases

eggNOGiCOG0301, Bacteria
COG0607, Bacteria
HOGENOMiCLU_037952_4_1_6
InParanoidiP77718
KOiK03151
PhylomeDBiP77718

Enzyme and pathway databases

UniPathwayiUPA00060
BioCyciEcoCyc:THII-MONOMER
ECOL316407:JW0413-MONOMER
MetaCyc:THII-MONOMER

Miscellaneous databases

Protein Ontology

More...PROi		PR:P77718

Family and domain databases

CDDicd01712, ThiI, 1 hit
Gene3Di3.40.250.10, 1 hit
3.40.50.620, 1 hit
HAMAPiMF_00021, ThiI, 1 hit
InterProiView protein in InterPro
IPR001763, Rhodanese-like_dom
IPR036873, Rhodanese-like_dom_sf
IPR014729, Rossmann-like_a/b/a_fold
IPR026340, Thiazole_biosynth_dom
IPR020536, ThiI_AANH
IPR004114, THUMP_dom
IPR003720, tRNA_STrfase
PfamiView protein in Pfam
PF02568, ThiI, 1 hit
PF02926, THUMP, 1 hit
SMARTiView protein in SMART
SM00981, THUMP, 1 hit
SUPFAMiSSF52821, SSF52821, 1 hit
TIGRFAMsiTIGR04271, ThiI_C_thiazole, 1 hit
TIGR00342, TIGR00342, 1 hit
PROSITEiView protein in PROSITE
PS50206, RHODANESE_3, 1 hit
PS51165, THUMP, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...ProtoNeti		Search...

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiTHII_ECOLI
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P77718
Secondary accession number(s): Q2MC03
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: February 1, 1997
Last modified: August 12, 2020
This is version 156 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families
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