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Entry version 183 (02 Jun 2021)
Sequence version 1 (01 Feb 1995)
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Protein

Eukaryotic translation initiation factor 3 subunit I

Gene

TIF34

Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
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

Component of the eukaryotic translation initiation factor 3 (eIF-3) complex, which is involved in protein synthesis of a specialized repertoire of mRNAs and, together with other initiation factors, stimulates binding of mRNA and methionyl-tRNAi to the 40S ribosome. The eIF-3 complex specifically targets and initiates translation of a subset of mRNAs involved in cell proliferation.

UniRule annotation

Miscellaneous

Present with 2400 molecules/cell in log phase SD medium.1 Publication

<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 functionInitiation factor
Biological processProtein biosynthesis

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-SCE-156827, L13a-mediated translational silencing of Ceruloplasmin expression
R-SCE-72695, Formation of the ternary complex, and subsequently, the 43S complex
R-SCE-72702, Ribosomal scanning and start codon recognition

<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:
Eukaryotic translation initiation factor 3 subunit IUniRule annotation
Short name:
eIF3iUniRule annotation
Alternative name(s):
Eukaryotic translation initiation factor 3 39 kDa subunit
Short name:
eIF-3 39 kDa subunit
Short name:
eIF3 p39
<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:TIF34UniRule annotation
Ordered Locus Names:YMR146C
ORF Names:YM9375.16C
<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>OrganismiSaccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
<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 identifieri559292 [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 lineageiEukaryotaFungiDikaryaAscomycotaSaccharomycotinaSaccharomycetesSaccharomycetalesSaccharomycetaceaeSaccharomyces
<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
  • UP000002311 <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 XIII

Organism-specific databases

Saccharomyces Genome Database

More...
SGDi
S000004754, TIF34

Eukaryotic Pathogen, Vector and Host Database Resources

More...
VEuPathDBi
FungiDB:YMR146C

<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

Keywords - Cellular componenti

Cytoplasm

<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_00000510411 – 347Eukaryotic translation initiation factor 3 subunit IAdd BLAST347

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei302PhosphoserineCombined sources1

Keywords - PTMi

Phosphoprotein

Proteomic databases

MaxQB - The MaxQuant DataBase

More...
MaxQBi
P40217

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

More...
PaxDbi
P40217

PRoteomics IDEntifications database

More...
PRIDEi
P40217

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P40217

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

The eukaryotic translation initiation factor 3 (eIF-3) core complex is composed of TIF32, PRT1, NIP1, TIF34 and TIF35. The factors eIF-1, eIF-2, eIF-3, TIF5/eIF-5 and methionyl-tRNAi form a multifactor complex (MFC) that may bind to the 40S ribosome.

2 Publications

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction%5Fsection">Interaction</a>' section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="https://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated at every <a href="http://www.uniprot.org/help/synchronization">UniProt release</a>.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Hide details

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
35322, 370 interactors

ComplexPortal: manually curated resource of macromolecular complexes

More...
ComplexPortali
CPX-1831, Eukaryotic translation initiation factor 3 core complex

Database of interacting proteins

More...
DIPi
DIP-2520N

Protein interaction database and analysis system

More...
IntActi
P40217, 24 interactors

Molecular INTeraction database

More...
MINTi
P40217

STRING: functional protein association networks

More...
STRINGi
4932.YMR146C

Miscellaneous databases

RNAct, Protein-RNA interaction predictions for model organisms.

More...
RNActi
P40217, protein

<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

Secondary structure

1347
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

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

More...
SMRi
P40217

Database of comparative protein structure models

More...
ModBasei
Search...

Protein Data Bank in Europe - Knowledge Base

More...
PDBe-KBi
Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...
EvolutionaryTracei
P40217

<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 'Family and Domains' section indicates the positions and types of repeated sequence motifs or repeated domains within the protein.<p><a href='/help/repeat' target='_top'>More...</a></p>Repeati8 – 47WD 1Add BLAST40
Repeati50 – 89WD 2Add BLAST40
Repeati149 – 190WD 3Add BLAST42
Repeati194 – 233WD 4Add BLAST40
Repeati291 – 330WD 5Add BLAST40

<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 eIF-3 subunit I family.UniRule annotation

Keywords - Domaini

Repeat, WD repeat

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0643, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000167369

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_043845_0_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P40217

Identification of Orthologs from Complete Genome Data

More...
OMAi
VWFSHNG

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.130.10.10, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_03008, eIF3i, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR027525, eIF3i
IPR015943, WD40/YVTN_repeat-like_dom_sf
IPR001680, WD40_repeat
IPR019775, WD40_repeat_CS
IPR017986, WD40_repeat_dom
IPR036322, WD40_repeat_dom_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00400, WD40, 3 hits

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00320, WD40, 6 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF50978, SSF50978, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00678, WD_REPEATS_1, 1 hit
PS50082, WD_REPEATS_2, 3 hits
PS50294, WD_REPEATS_REGION, 2 hits

<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.

P40217-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MKAIKLTGHE RPLTQVKYNK EGDLLFSCSK DSSASVWYSL NGERLGTLDG
60 70 80 90 100
HTGTIWSIDV DCFTKYCVTG SADYSIKLWD VSNGQCVATW KSPVPVKRVE
110 120 130 140 150
FSPCGNYFLA ILDNVMKNPG SINIYEIERD SATHELTKVS EEPIHKIITH
160 170 180 190 200
EGLDAATVAG WSTKGKYIIA GHKDGKISKY DVSNNYEYVD SIDLHEKSIS
210 220 230 240 250
DMQFSPDLTY FITSSRDTNS FLVDVSTLQV LKKYETDCPL NTAVITPLKE
260 270 280 290 300
FIILGGGQEA KDVTTTSANE GKFEARFYHK IFEEEIGRVQ GHFGPLNTVA
310 320 330 340
ISPQGTSYAS GGEDGFIRLH HFEKSYFDFK YDVEKAAEAK EHMQEAN
Length:347
Mass (Da):38,755
Last modified:February 1, 1995 - 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:iE6C0D0B275E87622
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
U56937 Genomic DNA Translation: AAC49616.1
Z47071 Genomic DNA Translation: CAA87361.1
AY558416 Genomic DNA Translation: AAS56742.1
BK006946 Genomic DNA Translation: DAA10042.1

Protein sequence database of the Protein Information Resource

More...
PIRi
S50403

NCBI Reference Sequences

More...
RefSeqi
NP_013866.1, NM_001182648.1

Genome annotation databases

Ensembl fungal genome annotation project

More...
EnsemblFungii
YMR146C_mRNA; YMR146C; YMR146C

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
855177

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
sce:YMR146C

<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
U56937 Genomic DNA Translation: AAC49616.1
Z47071 Genomic DNA Translation: CAA87361.1
AY558416 Genomic DNA Translation: AAS56742.1
BK006946 Genomic DNA Translation: DAA10042.1
PIRiS50403
RefSeqiNP_013866.1, NM_001182648.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...
PDBei

Protein Data Bank RCSB

More...
RCSB PDBi

Protein Data Bank Japan

More...
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
3JAPelectron microscopy4.90q1-347[»]
3JAQelectron microscopy6.00q1-347[»]
3ZWLX-ray2.20B/D1-347[»]
5A5Uelectron microscopy9.00I1-347[»]
6FYXelectron microscopy3.05s1-347[»]
6FYYelectron microscopy3.05s1-347[»]
6GSMelectron microscopy5.15s1-342[»]
6GSNelectron microscopy5.75s1-342[»]
6ZCEelectron microscopy5.30l1-347[»]
6ZU9electron microscopy6.20l1-347[»]
SMRiP40217
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

BioGRIDi35322, 370 interactors
ComplexPortaliCPX-1831, Eukaryotic translation initiation factor 3 core complex
DIPiDIP-2520N
IntActiP40217, 24 interactors
MINTiP40217
STRINGi4932.YMR146C

PTM databases

iPTMnetiP40217

Proteomic databases

MaxQBiP40217
PaxDbiP40217
PRIDEiP40217

Genome annotation databases

EnsemblFungiiYMR146C_mRNA; YMR146C; YMR146C
GeneIDi855177
KEGGisce:YMR146C

Organism-specific databases

SGDiS000004754, TIF34
VEuPathDBiFungiDB:YMR146C

Phylogenomic databases

eggNOGiKOG0643, Eukaryota
GeneTreeiENSGT00940000167369
HOGENOMiCLU_043845_0_1_1
InParanoidiP40217
OMAiVWFSHNG

Enzyme and pathway databases

ReactomeiR-SCE-156827, L13a-mediated translational silencing of Ceruloplasmin expression
R-SCE-72695, Formation of the ternary complex, and subsequently, the 43S complex
R-SCE-72702, Ribosomal scanning and start codon recognition

Miscellaneous databases

EvolutionaryTraceiP40217

Protein Ontology

More...
PROi
PR:P40217
RNActiP40217, protein

Family and domain databases

Gene3Di2.130.10.10, 1 hit
HAMAPiMF_03008, eIF3i, 1 hit
InterProiView protein in InterPro
IPR027525, eIF3i
IPR015943, WD40/YVTN_repeat-like_dom_sf
IPR001680, WD40_repeat
IPR019775, WD40_repeat_CS
IPR017986, WD40_repeat_dom
IPR036322, WD40_repeat_dom_sf
PfamiView protein in Pfam
PF00400, WD40, 3 hits
SMARTiView protein in SMART
SM00320, WD40, 6 hits
SUPFAMiSSF50978, SSF50978, 1 hit
PROSITEiView protein in PROSITE
PS00678, WD_REPEATS_1, 1 hit
PS50082, WD_REPEATS_2, 3 hits
PS50294, WD_REPEATS_REGION, 2 hits

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 nameiEIF3I_YEAST
<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: P40217
Secondary accession number(s): D6VZW8
<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: February 1, 1995
Last sequence update: February 1, 1995
Last modified: June 2, 2021
This is version 183 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 programFungal 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

3D-structure, Reference proteome

Documents

  1. Yeast
    Yeast (Saccharomyces cerevisiae): entries, gene names and cross-references to SGD
  2. Yeast chromosome XIII
    Yeast (Saccharomyces cerevisiae) chromosome XIII: entries and gene names
  3. Translation initiation factors
    List of translation initiation factor entries
  4. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  5. SIMILARITY comments
    Index of protein domains and families
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