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Entry version 103 (02 Jun 2021)
Sequence version 1 (11 Oct 2004)
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Protein

Transketolase

Gene

tkt

Organism
Staphylococcus aureus (strain N315)
Status
Reviewed-Annotation score:

Annotation score:4 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 transfer of a two-carbon ketol group from a ketose donor to an aldose acceptor, via a covalent intermediate with the cofactor thiamine pyrophosphate.

By similarity

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Protein has several cofactor binding sites:

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: Calvin cycle

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

Pathwayi: pentose phosphate pathway

This protein is involved in the pathway pentose phosphate pathway, which is part of Carbohydrate degradation.
View all proteins of this organism that are known to be involved in the pathway pentose phosphate pathway and in Carbohydrate degradation.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 sitei28SubstrateBy similarity1
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections ('Function', 'PTM / Processing', 'Pathology and Biotech') according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei28Important for catalytic activityBy similarity1
Binding sitei68Thiamine pyrophosphateBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the 'Description' field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi156MagnesiumBy similarity1
Binding sitei157Thiamine pyrophosphate; via amide nitrogenBy similarity1
Metal bindingi186MagnesiumBy similarity1
Binding sitei186Thiamine pyrophosphateBy similarity1
Metal bindingi188Magnesium; via carbonyl oxygenBy similarity1
Binding sitei261SubstrateBy similarity1
Binding sitei261Thiamine pyrophosphateBy similarity1
Sitei261Important for catalytic activityBy similarity1
Binding sitei356SubstrateBy similarity1
Binding sitei383SubstrateBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 sitei410Proton donorBy similarity1
Binding sitei436Thiamine pyrophosphateBy similarity1
Binding sitei460SubstrateBy similarity1
Binding sitei468SubstrateBy similarity1
Binding sitei519SubstrateBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 bindingi115 – 117Thiamine pyrophosphateBy similarity3

<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

GO - Biological processi

<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 functionTransferase
Biological processDNA recombination
LigandCalcium, Magnesium, Metal-binding, Thiamine pyrophosphate

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
SAUR158879:G1G21-1348-MONOMER

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

More...
UniPathwayi
UPA00115
UPA00116

<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_and_taxonomy_section">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:
Transketolase (EC:2.2.1.1)
Short name:
TK
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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:tkt
Ordered Locus Names:SA1177
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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>OrganismiStaphylococcus aureus (strain N315)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 identifieri158879 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 lineageiBacteriaFirmicutesBacilliBacillalesStaphylococcaceaeStaphylococcus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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
  • UP000000751 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">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

<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_00001918721 – 662TransketolaseAdd BLAST662

2D gel databases

Two-dimensional polyacrylamide gel electrophoresis database from the Geneva University Hospital

More...
SWISS-2DPAGEi
P99161

<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

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homodimer.

By similarity

<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
P99161

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

<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 transketolase family.Curated

Phylogenomic databases

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_009227_0_0_9

Identification of Orthologs from Complete Genome Data

More...
OMAi
GCAPMGY

Family and domain databases

Conserved Domains Database

More...
CDDi
cd02012, TPP_TK, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.40.50.920, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR029061, THDP-binding
IPR009014, Transketo_C/PFOR_II
IPR005475, Transketolase-like_Pyr-bd
IPR005478, Transketolase_bac-like
IPR020826, Transketolase_BS
IPR033248, Transketolase_C
IPR033247, Transketolase_fam
IPR005474, Transketolase_N

The PANTHER Classification System

More...
PANTHERi
PTHR43522, PTHR43522, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02779, Transket_pyr, 1 hit
PF02780, Transketolase_C, 1 hit
PF00456, Transketolase_N, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00861, Transket_pyr, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF52518, SSF52518, 2 hits
SSF52922, SSF52922, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00232, tktlase_bact, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00801, TRANSKETOLASE_1, 1 hit
PS00802, TRANSKETOLASE_2, 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_length">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_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">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.

P99161-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MFNEKDQLAV DTLRALSIDT IEKANSGHPG LPMGAAPMAY TLWTRHLNFN
60 70 80 90 100
PQSKDYFNRD RFVLSAGHGS ALLYSLLHVS GSLELEELKQ FRQWGSKTPG
110 120 130 140 150
HPEYRHTDGV EVTTGPLGQG FAMSVGLALA EDHLAGKFNK EGYNVVDHYT
160 170 180 190 200
YVLASDGDLM EGISHEAASF AGHNKLSKLV VLYDSNDISL DGELNKAFSE
210 220 230 240 250
NTKARFEAYG WNYLLVKDGN DLEEIDKAIT TAKSQEGPTI IEVKTTIGFG
260 270 280 290 300
SPNKAGTNGV HGAPLGEVER KLTFENYGLD PEKRFNVSEE VYEIFQNTML
310 320 330 340 350
KRANEDESQW NSLLEKYAET YPELAEEFKL AISGKLPKNY KDELPRFELG
360 370 380 390 400
HNGASRADSG TVIQAISKTV PSFFGGSADL AGSNKSNVND ATDYSSETPE
410 420 430 440 450
GKNVWFGVRE FAMGAAVNGM AAHGGLHPYG ATFFVFSDYL KPALRLSSIM
460 470 480 490 500
GLNATFIFTH DSIAVGEDGP THEPIEQLAG LRAIPNMNVI RPADGNETRV
510 520 530 540 550
AWEVALESES TPTSLVLTRQ NLPVLDVPED VVEEGVRKGA YTVYGSEETP
560 570 580 590 600
EFLLLASGSE VSLAVEAAKD LEKQGKSVRV VSMPNWNAFE QQSEEYKESV
610 620 630 640 650
IPSSVTKRVA IEMASPLGWH KYVGTAGKVI AIDGFGASAP GDLVVEKYGF
660
TKENILNQVM SL
Length:662
Mass (Da):72,251
Last modified:October 11, 2004 - 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:i3723932E63AFAC9C
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
BA000018 Genomic DNA Translation: BAB42435.1

Protein sequence database of the Protein Information Resource

More...
PIRi
G89909

NCBI Reference Sequences

More...
RefSeqi
WP_000481443.1, NC_002745.2

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
BAB42435; BAB42435; BAB42435

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
sau:SA1177

<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
BA000018 Genomic DNA Translation: BAB42435.1
PIRiG89909
RefSeqiWP_000481443.1, NC_002745.2

3D structure databases

SMRiP99161
ModBaseiSearch...

2D gel databases

SWISS-2DPAGEiP99161

Genome annotation databases

EnsemblBacteriaiBAB42435; BAB42435; BAB42435
KEGGisau:SA1177

Phylogenomic databases

HOGENOMiCLU_009227_0_0_9
OMAiGCAPMGY

Enzyme and pathway databases

UniPathwayiUPA00115
UPA00116
BioCyciSAUR158879:G1G21-1348-MONOMER

Family and domain databases

CDDicd02012, TPP_TK, 1 hit
Gene3Di3.40.50.920, 1 hit
InterProiView protein in InterPro
IPR029061, THDP-binding
IPR009014, Transketo_C/PFOR_II
IPR005475, Transketolase-like_Pyr-bd
IPR005478, Transketolase_bac-like
IPR020826, Transketolase_BS
IPR033248, Transketolase_C
IPR033247, Transketolase_fam
IPR005474, Transketolase_N
PANTHERiPTHR43522, PTHR43522, 1 hit
PfamiView protein in Pfam
PF02779, Transket_pyr, 1 hit
PF02780, Transketolase_C, 1 hit
PF00456, Transketolase_N, 1 hit
SMARTiView protein in SMART
SM00861, Transket_pyr, 1 hit
SUPFAMiSSF52518, SSF52518, 2 hits
SSF52922, SSF52922, 1 hit
TIGRFAMsiTIGR00232, tktlase_bact, 1 hit
PROSITEiView protein in PROSITE
PS00801, TRANSKETOLASE_1, 1 hit
PS00802, TRANSKETOLASE_2, 1 hit

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 nameiTKT_STAAN
<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: P99161
Secondary accession number(s): Q99UD4
<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_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 11, 2004
Last sequence update: October 11, 2004
Last modified: June 2, 2021
This is version 103 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

Documents

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