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Entry version 151 (16 Oct 2019)
Sequence version 1 (01 Nov 1995)
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Protein

Eukaryotic translation initiation factor 2 subunit 2

Gene

eIF2beta

Organism
Drosophila melanogaster (Fruit fly)
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

eIF-2 functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA. This preinitiation complex mediates ribosomal recognition of a start codon during the scanning process of the leader region.

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section specifies the position(s) and type(s) of zinc fingers within the protein.<p><a href='/help/zn_fing' target='_top'>More...</a></p>Zinc fingeri260 – 284C4-typeSequence analysisAdd BLAST25

<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
LigandMetal-binding, Zinc

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-381042 PERK regulates gene expression
R-DME-382556 ABC-family proteins mediated transport
R-DME-72649 Translation initiation complex formation
R-DME-72695 Formation of the ternary complex, and subsequently, the 43S complex
R-DME-72702 Ribosomal scanning and start codon recognition
R-DME-72731 Recycling of eIF2:GDP

<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 2 subunit 2
Alternative name(s):
Eukaryotic translation initiation factor 2 subunit beta
Short name:
eIF-2-beta
<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:eIF2betaImported
Synonyms:eIF-2beta1 Publication
ORF Names:CG4153Imported
<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 lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraHolometabolaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<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 3L

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0004926 eIF2beta

<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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

<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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001374091 – 312Eukaryotic translation initiation factor 2 subunit 2Add BLAST312

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 residuei44Phosphoserine1 Publication1
Modified residuei133Phosphoserine1 Publication1
Modified residuei145Phosphothreonine1 Publication1

Keywords - PTMi

Phosphoprotein

Proteomic databases

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

More...
PaxDbi
P41375

PRoteomics IDEntifications database

More...
PRIDEi
P41375

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P41375

SwissPalm database of S-palmitoylation events

More...
SwissPalmi
P41375

<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
FBgn0004926 Expressed in 32 organ(s), highest expression level in arthropod fat body

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P41375 differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P41375 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

Heterotrimer composed of an alpha, a beta and a gamma chain.

GO - Molecular functioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
64782, 10 interactors

Database of interacting proteins

More...
DIPi
DIP-21095N

Protein interaction database and analysis system

More...
IntActi
P41375, 1 interactor

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0075700

<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
P41375

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

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi13 – 19Poly-Lys7
Compositional biasi63 – 70Poly-Lys8
Compositional biasi93 – 99Poly-Glu7
Compositional biasi110 – 118Poly-Lys9

<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-2-beta/eIF-5 family.Curated

Zinc finger

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri260 – 284C4-typeSequence analysisAdd BLAST25

Keywords - Domaini

Zinc-finger

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG2768 Eukaryota
COG1601 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00390000001804

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P41375

KEGG Orthology (KO)

More...
KOi
K03238

Identification of Orthologs from Complete Genome Data

More...
OMAi
KGTGIWQ

Database of Orthologous Groups

More...
OrthoDBi
1178655at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P41375

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR002735 Transl_init_fac_IF2/IF5
IPR016189 Transl_init_fac_IF2/IF5_N
IPR016190 Transl_init_fac_IF2/IF5_Zn-bd

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01873 eIF-5_eIF-2B, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00653 eIF2B_5, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF100966 SSF100966, 1 hit
SSF75689 SSF75689, 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.

P41375-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDAEDGFDPT LLKKKKKKKT TFDLDAALGL EDDTKKEDPQ DEASAEGGAA
60 70 80 90 100
AEEDNLDLES FGKKKKKKKK PFNMDEIEAA IPSFGGDDVA ASEEPEEEEI
110 120 130 140 150
NLDMDFSMAK KKKKSKKKEL DELFADQADD DKSEDKENDE DNSSTWFGSD
160 170 180 190 200
RDYTYDELLK RVFEIILDKN PDMAAGRKPK FVMRPPQVLR VGTKKTSFAN
210 220 230 240 250
FMDIAKTLHR LPKHLLDFLL AELGTSGSMD GNQQLIIKGR FQPKQIENVL
260 270 280 290 300
RRYIKEYVTC HTCRSPETIL QKDTRLFFLQ CESCGSRCSV ASIKSGFQAV
310
TGKRAAIRAK TT
Length:312
Mass (Da):35,218
Last modified:November 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:i163B98C43A35A764
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti60S → G in AAL48875 (PubMed:12537569).Curated1
Sequence conflicti64K → E in AAL48875 (PubMed:12537569).Curated1

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
L19197 mRNA Translation: AAA28504.1
AE014296 Genomic DNA Translation: AAF49902.1
AY071253 mRNA Translation: AAL48875.1

NCBI Reference Sequences

More...
RefSeqi
NP_524043.1, NM_079319.4

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0075968; FBpp0075700; FBgn0004926

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
39433

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG4153

<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
L19197 mRNA Translation: AAA28504.1
AE014296 Genomic DNA Translation: AAF49902.1
AY071253 mRNA Translation: AAL48875.1
RefSeqiNP_524043.1, NM_079319.4

3D structure databases

SMRiP41375
ModBaseiSearch...

Protein-protein interaction databases

BioGridi64782, 10 interactors
DIPiDIP-21095N
IntActiP41375, 1 interactor
STRINGi7227.FBpp0075700

PTM databases

iPTMnetiP41375
SwissPalmiP41375

Proteomic databases

PaxDbiP41375
PRIDEiP41375

Genome annotation databases

EnsemblMetazoaiFBtr0075968; FBpp0075700; FBgn0004926
GeneIDi39433
KEGGidme:Dmel_CG4153

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
39433
FlyBaseiFBgn0004926 eIF2beta

Phylogenomic databases

eggNOGiKOG2768 Eukaryota
COG1601 LUCA
GeneTreeiENSGT00390000001804
InParanoidiP41375
KOiK03238
OMAiKGTGIWQ
OrthoDBi1178655at2759
PhylomeDBiP41375

Enzyme and pathway databases

ReactomeiR-DME-156827 L13a-mediated translational silencing of Ceruloplasmin expression
R-DME-381042 PERK regulates gene expression
R-DME-382556 ABC-family proteins mediated transport
R-DME-72649 Translation initiation complex formation
R-DME-72695 Formation of the ternary complex, and subsequently, the 43S complex
R-DME-72702 Ribosomal scanning and start codon recognition
R-DME-72731 Recycling of eIF2:GDP

Miscellaneous databases

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

More...
GenomeRNAii
39433

Protein Ontology

More...
PROi
PR:P41375

Gene expression databases

BgeeiFBgn0004926 Expressed in 32 organ(s), highest expression level in arthropod fat body
ExpressionAtlasiP41375 differential
GenevisibleiP41375 DM

Family and domain databases

InterProiView protein in InterPro
IPR002735 Transl_init_fac_IF2/IF5
IPR016189 Transl_init_fac_IF2/IF5_N
IPR016190 Transl_init_fac_IF2/IF5_Zn-bd
PfamiView protein in Pfam
PF01873 eIF-5_eIF-2B, 1 hit
SMARTiView protein in SMART
SM00653 eIF2B_5, 1 hit
SUPFAMiSSF100966 SSF100966, 1 hit
SSF75689 SSF75689, 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 nameiIF2B_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: P41375
Secondary accession number(s): Q8SYX9, Q9VTZ3
<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: November 1, 1995
Last sequence update: November 1, 1995
Last modified: October 16, 2019
This is version 151 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

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  3. Translation initiation factors
    List of translation initiation factor entries
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