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UniProtKB - P47823 (EI2BE_RABIT)
Protein
Translation initiation factor eIF-2B subunit epsilon
Gene
EIF2B5
Organism
Oryctolagus cuniculus (Rabbit)
Status
Functioni
Catalyzes the exchange of eukaryotic initiation factor 2-bound GDP for GTP.
GO - Molecular functioni
- guanyl-nucleotide exchange factor activity Source: UniProtKB
- translation initiation factor activity Source: UniProtKB-KW
- translation initiation factor binding Source: InterPro
GO - Biological processi
- astrocyte development Source: UniProtKB
- astrocyte differentiation Source: UniProtKB
- myelination Source: UniProtKB
- oligodendrocyte development Source: UniProtKB
- ovarian follicle development Source: UniProtKB
- positive regulation of translational initiation Source: UniProtKB
- response to endoplasmic reticulum stress Source: UniProtKB
- response to glucose Source: UniProtKB
- response to heat Source: UniProtKB
- response to peptide hormone Source: UniProtKB
- T cell receptor signaling pathway Source: UniProtKB
- translational initiation Source: UniProtKB
Keywordsi
Molecular function | Initiation factor |
Biological process | Protein biosynthesis |
Names & Taxonomyi
Protein namesi | Recommended name: Translation initiation factor eIF-2B subunit epsilonAlternative name(s): eIF-2B GDP-GTP exchange factor subunit epsilon |
Gene namesi | Name:EIF2B5 Synonyms:EIF2BE |
Organismi | Oryctolagus cuniculus (Rabbit) |
Taxonomic identifieri | 9986 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Lagomorpha › Leporidae › Oryctolagus |
Proteomesi |
|
Subcellular locationi
Cytosol
- cytosol Source: Ensembl
Nucleus
- nucleus Source: Ensembl
Other locations
- cytoplasm Source: UniProtKB
- eukaryotic translation initiation factor 2B complex Source: UniProtKB
PTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Initiator methioninei | RemovedBy similarity | |||
ChainiPRO_0000156074 | 2 – 721 | Translation initiation factor eIF-2B subunit epsilonAdd BLAST | 720 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Modified residuei | 2 | N-acetylalanineBy similarity | 1 | |
Modified residuei | 19 | Omega-N-methylarginineBy similarity | 1 | |
Cross-linki | 61 | Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity | ||
Cross-linki | 103 | Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity | ||
Modified residuei | 130 | PhosphoserineBy similarity | 1 | |
Cross-linki | 141 | Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity | ||
Cross-linki | 217 | Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity | ||
Modified residuei | 322 | PhosphothreonineBy similarity | 1 | |
Modified residuei | 450 | PhosphoserineBy similarity | 1 | |
Modified residuei | 466 | PhosphoserineBy similarity | 1 | |
Modified residuei | 469 | PhosphoserineBy similarity | 1 | |
Modified residuei | 532 | PhosphoserineBy similarity | 1 | |
Modified residuei | 540 | PhosphoserineBy similarity | 1 | |
Modified residuei | 544 | Phosphoserine; by DYRK2By similarity | 1 | |
Modified residuei | 717 | PhosphoserineBy similarity | 1 |
Post-translational modificationi
Phosphorylated at Ser-544 by DYRK2; this is required for subsequent phosphorylation by GSK3B. Phosphorylated on serine and threonine residues by GSK3B; phosphorylation inhibits its function (By similarity).By similarity
Polyubiquitinated, probably by NEDD4.By similarity
Keywords - PTMi
Acetylation, Isopeptide bond, Methylation, Phosphoprotein, Ubl conjugationPTM databases
iPTMneti | P47823 |
Expressioni
Tissue specificityi
Ubiquitously expressed.
Gene expression databases
Bgeei | ENSOCUG00000004536, Expressed in autopod skin and 19 other tissues |
Interactioni
Subunit structurei
Complex of five different subunits; alpha, beta, gamma, delta and epsilon.
Interacts with RGS2 (By similarity).
By similarityGO - Molecular functioni
- translation initiation factor binding Source: InterPro
Protein-protein interaction databases
STRINGi | 9986.ENSOCUP00000003919 |
Family & Domainsi
Domains and Repeats
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Domaini | 543 – 720 | W2PROSITE-ProRule annotationAdd BLAST | 178 |
Region
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Regioni | 1 – 40 | DisorderedSequence analysisAdd BLAST | 40 | |
Regioni | 446 – 478 | DisorderedSequence analysisAdd BLAST | 33 | |
Regioni | 517 – 545 | DisorderedSequence analysisAdd BLAST | 29 |
Sequence similaritiesi
Belongs to the eIF-2B gamma/epsilon subunits family.Curated
Phylogenomic databases
eggNOGi | KOG1461, Eukaryota |
HOGENOMi | CLU_012507_2_0_1 |
InParanoidi | P47823 |
OMAi | HYLYDKD |
OrthoDBi | 369837at2759 |
TreeFami | TF101509 |
Family and domain databases
CDDi | cd04197, eIF-2B_epsilon_N, 1 hit cd11558, W2_eIF2B_epsilon, 1 hit |
Gene3Di | 3.90.550.10, 1 hit |
InterProi | View protein in InterPro IPR016024, ARM-type_fold IPR035543, eIF-2B_epsilon_N IPR001451, Hexapep IPR029044, Nucleotide-diphossugar_trans IPR011004, Trimer_LpxA-like_sf IPR003307, W2_domain IPR044123, W2_eIF2B_epsilon |
Pfami | View protein in Pfam PF00132, Hexapep, 1 hit PF02020, W2, 1 hit |
SMARTi | View protein in SMART SM00515, eIF5C, 1 hit |
SUPFAMi | SSF48371, SSF48371, 1 hit SSF51161, SSF51161, 1 hit SSF53448, SSF53448, 1 hit |
PROSITEi | View protein in PROSITE PS51363, W2, 1 hit |
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
P47823-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MATTVVAPPG AVSDRANKRG GGPGGGGGGG GARGAEEESP PPLQAVLVAD
60 70 80 90 100
SFNRRFFPIS KDQPRVLLPL ANVALIDYTL EFLTATGVQE TFVFCCWKAA
110 120 130 140 150
QIKEHLQKSK WCRPTSLNVV RIITSELYRS LGDVLRDVDA KALVRSDFLL
160 170 180 190 200
VYGDVVSNIN VTRALEEHRL RRKLEKNVSV MTMIFKESSP SHPTRCHEDN
210 220 230 240 250
VVVAVDSATN RILHFQKTQG LRRFSFPLSL FQGSGAGVEI RYDLLDCHIS
260 270 280 290 300
ICSPQVAQLF TDNFDYQTRD DFVRGLLVNE EILGNQIHMH VTTREYGARV
310 320 330 340 350
SNLHMYSAVC ADVIRRWVYP LTPEANFTDS TAQSCTHSRH NIYRGPEVSL
360 370 380 390 400
GHGSILEENV LLGSGTVIGS NCSITNSVIG PGCCIGDNVV LDRAYLWKGV
410 420 430 440 450
QVASGAQIHQ SLLCDHAEVK EQVTLKPHCV LTSQVVVGPN ITLPEGSVIS
460 470 480 490 500
LHPPDAEEDE DDGQFSDDSG VNQAKEKAKL KGYNPAEVGV AGKGYLWKAA
510 520 530 540 550
DMNTEKEEEL RQSLWGLTIN EEEESETESE RSMDSEELDS RAGSPQLDDI
560 570 580 590 600
KVFQNEVLGT LQRGKEESIS CDNLILEINS LKYAYNISLK EVMQVLSHVV
610 620 630 640 650
LEFPLQQMDS PLEANRYCAL LLPLLKAWSP VFRNYIKRAA DHLEALAAIE
660 670 680 690 700
EFFLEHEALG TCIAKVLMGF YQLEILAEET ILSWFGQRDV TDKGRQLRKN
710 720
QQLQRFIQWL KEAEEESSED D
Experimental Info
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sequence conflicti | 365 – 366 | GT → FA AA sequence (PubMed:8688466).Curated | 2 |
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | U23037 mRNA Translation: AAC48618.1 |
RefSeqi | NP_001076143.1, NM_001082674.1 |
Genome annotation databases
GeneIDi | 100009393 |
KEGGi | ocu:100009393 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | U23037 mRNA Translation: AAC48618.1 |
RefSeqi | NP_001076143.1, NM_001082674.1 |
3D structure databases
AlphaFoldDBi | P47823 |
SMRi | P47823 |
ModBasei | Search... |
Protein-protein interaction databases
STRINGi | 9986.ENSOCUP00000003919 |
PTM databases
iPTMneti | P47823 |
Genome annotation databases
GeneIDi | 100009393 |
KEGGi | ocu:100009393 |
Organism-specific databases
CTDi | 8893 |
Phylogenomic databases
eggNOGi | KOG1461, Eukaryota |
HOGENOMi | CLU_012507_2_0_1 |
InParanoidi | P47823 |
OMAi | HYLYDKD |
OrthoDBi | 369837at2759 |
TreeFami | TF101509 |
Gene expression databases
Bgeei | ENSOCUG00000004536, Expressed in autopod skin and 19 other tissues |
Family and domain databases
CDDi | cd04197, eIF-2B_epsilon_N, 1 hit cd11558, W2_eIF2B_epsilon, 1 hit |
Gene3Di | 3.90.550.10, 1 hit |
InterProi | View protein in InterPro IPR016024, ARM-type_fold IPR035543, eIF-2B_epsilon_N IPR001451, Hexapep IPR029044, Nucleotide-diphossugar_trans IPR011004, Trimer_LpxA-like_sf IPR003307, W2_domain IPR044123, W2_eIF2B_epsilon |
Pfami | View protein in Pfam PF00132, Hexapep, 1 hit PF02020, W2, 1 hit |
SMARTi | View protein in SMART SM00515, eIF5C, 1 hit |
SUPFAMi | SSF48371, SSF48371, 1 hit SSF51161, SSF51161, 1 hit SSF53448, SSF53448, 1 hit |
PROSITEi | View protein in PROSITE PS51363, W2, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | EI2BE_RABIT | |
Accessioni | P47823Primary (citable) accession number: P47823 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | February 1, 1996 |
Last sequence update: | February 1, 1996 | |
Last modified: | May 25, 2022 | |
This is version 118 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Chordata Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Direct protein sequencing, Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families