Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
Entry version 153 (29 Sep 2021)
Sequence version 1 (01 Jul 1997)
Previous versions | rss
Add a publicationFeedback
Protein

Eukaryotic translation initiation factor 3 subunit I

Gene

eIF3i

Organism
Drosophila melanogaster (Fruit fly)
Status
Reviewed-Annotation score:

Annotation score:3 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

<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

  • RNA binding Source: GO_Central
  • translation initiation factor activity Source: FlyBase

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-DME-156827, L13a-mediated translational silencing of Ceruloplasmin expression
R-DME-72649, Translation initiation complex formation
R-DME-72689, Formation of a pool of free 40S subunits
R-DME-72695, Formation of the ternary complex, and subsequently, the 43S complex
R-DME-72702, Ribosomal scanning and start codon recognition

SignaLink: a signaling pathway resource with multi-layered regulatory networks

More...
SignaLinki
O02195

<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:
Eukaryotic translation initiation factor 3 subunit IUniRule annotation
Short name:
eIF3iUniRule annotation
Alternative name(s):
Eukaryotic translation initiation factor 3 subunit 2UniRule annotation
TRIP-1 homolog
eIF-3-betaUniRule annotation
<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:eIF3iUniRule annotation
Synonyms:eif3-S2UniRule annotation, Trip1UniRule annotation
ORF Names:CG8882Imported
<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>OrganismiDrosophila melanogaster (Fruit fly)
<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 identifieri7227 [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 lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraEndopterygotaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<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
  • UP000000803 <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 2L

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0015834, eIF3i

Eukaryotic Pathogen, Vector and Host Database Resources

More...
VEuPathDBi
VectorBase:FBgn0015834

<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_00000510381 – 326Eukaryotic translation initiation factor 3 subunit IAdd BLAST326

Proteomic databases

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

More...
PaxDbi
O02195

PRoteomics IDEntifications database

More...
PRIDEi
O02195

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0015834, Expressed in embryo and 39 other tissues

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
O02195, DM

<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

Component of the eukaryotic translation initiation factor 3 (eIF-3) complex. The eIF-3 complex interacts with pix.

UniRule annotation1 Publication

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
59895, 23 interactors

Database of interacting proteins

More...
DIPi
DIP-18772N

Protein interaction database and analysis system

More...
IntActi
O02195, 3 interactors

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0078689

<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
O02195

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 '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
Repeati145 – 184WD 3Add BLAST40
Repeati188 – 227WD 4Add BLAST40
Repeati285 – 326WD 5Add BLAST42

<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
ENSGT00940000161371

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_043845_0_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
O02195

Identification of Orthologs from Complete Genome Data

More...
OMAi
ITPKKDF

Database of Orthologous Groups

More...
OrthoDBi
866359at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
O02195

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
IPR036322, WD40_repeat_dom_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00400, WD40, 4 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, 2 hits
PS50082, WD_REPEATS_2, 5 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_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.

O02195-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MRPLMLQGHE RSITQIKYNR EGDLLFSCSK DQKPNVWYSL NGERLGTYDG
60 70 80 90 100
HQGAVWCLDV DWESRKLITG AGDMTAKIWD VEYGTVIASI PTKSSVRTSN
110 120 130 140 150
FSFSGNQAAY STDKAMGQSC ELFLIDVRNA DSSLSEQEPT LRIPMTESKI
160 170 180 190 200
TSMLWGPLDE TIITGHDNGN IAIWDIRKGQ KVVDSGTDHS AGINDMQLSK
210 220 230 240 250
DGTMFVTASK DTTAKLFDSE SLMCLKTYKT ERPVNSAAIS PIMDHVVLGG
260 270 280 290 300
GQDAMEVTTT STKAGKFDSR FFHLIYEEEF ARLKGHFGPI NSLAFHPDGK
310 320
SYASGGEDGF VRVQTFDSTY FENIFE
Length:326
Mass (Da):36,160
Last modified:July 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:iB07D35F9E47F3F31
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
U90930 mRNA Translation: AAB53431.1
AE014134 Genomic DNA Translation: AAF52183.1
AY118527 mRNA Translation: AAM49896.1

NCBI Reference Sequences

More...
RefSeqi
NP_523478.1, NM_078754.4

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0079053; FBpp0078689; FBgn0015834

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
33710

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG8882

UCSC genome browser

More...
UCSCi
CG8882-RA, d. melanogaster

<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
U90930 mRNA Translation: AAB53431.1
AE014134 Genomic DNA Translation: AAF52183.1
AY118527 mRNA Translation: AAM49896.1
RefSeqiNP_523478.1, NM_078754.4

3D structure databases

SMRiO02195
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi59895, 23 interactors
DIPiDIP-18772N
IntActiO02195, 3 interactors
STRINGi7227.FBpp0078689

Proteomic databases

PaxDbiO02195
PRIDEiO02195

Protocols and materials databases

The DNASU plasmid repository

More...
DNASUi
33710

Genome annotation databases

EnsemblMetazoaiFBtr0079053; FBpp0078689; FBgn0015834
GeneIDi33710
KEGGidme:Dmel_CG8882
UCSCiCG8882-RA, d. melanogaster

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
8668
FlyBaseiFBgn0015834, eIF3i
VEuPathDBiVectorBase:FBgn0015834

Phylogenomic databases

eggNOGiKOG0643, Eukaryota
GeneTreeiENSGT00940000161371
HOGENOMiCLU_043845_0_1_1
InParanoidiO02195
OMAiITPKKDF
OrthoDBi866359at2759
PhylomeDBiO02195

Enzyme and pathway databases

ReactomeiR-DME-156827, L13a-mediated translational silencing of Ceruloplasmin expression
R-DME-72649, Translation initiation complex formation
R-DME-72689, Formation of a pool of free 40S subunits
R-DME-72695, Formation of the ternary complex, and subsequently, the 43S complex
R-DME-72702, Ribosomal scanning and start codon recognition
SignaLinkiO02195

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...
BioGRID-ORCSi
33710, 0 hits in 1 CRISPR screen

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

More...
ChiTaRSi
Trip1, fly

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...
GenomeRNAii
33710

Protein Ontology

More...
PROi
PR:O02195

Gene expression databases

BgeeiFBgn0015834, Expressed in embryo and 39 other tissues
GenevisibleiO02195, DM

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
IPR036322, WD40_repeat_dom_sf
PfamiView protein in Pfam
PF00400, WD40, 4 hits
SMARTiView protein in SMART
SM00320, WD40, 6 hits
SUPFAMiSSF50978, SSF50978, 1 hit
PROSITEiView protein in PROSITE
PS00678, WD_REPEATS_1, 2 hits
PS50082, WD_REPEATS_2, 5 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_DROME
<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: O02195
Secondary accession number(s): Q540Y6, Q9VMX5
<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: July 15, 1998
Last sequence update: July 1, 1997
Last modified: September 29, 2021
This is version 153 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 programDrosophila annotation project

<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. Translation initiation factors
    List of translation initiation factor entries
  2. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  3. SIMILARITY comments
    Index of protein domains and families
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.

Do not show this banner again