Protein Domain : IPR004539

Type:  Family Name:  Translation elongation factor EF1A, eukaryotic/archaeal
Description:  Translation elongation factors are responsible for two main processes during protein synthesis on the ribosome [, , ]. EF1A (or EF-Tu) is responsible for the selection and binding of the cognate aminoacyl-tRNA to the A-site (acceptor site) of the ribosome. EF2 (or EF-G) is responsible for the translocation of the peptidyl-tRNA from the A-site to the P-site (peptidyl-tRNA site) of the ribosome, thereby freeing the A-site for the next aminoacyl-tRNA to bind. Elongation factors are responsible for achieving accuracy of translation and both EF1A and EF2 are remarkably conserved throughout evolution.EF1A (also known as EF-1alpha or EF-Tu) is a G-protein. It forms a ternary complex of EF1A-GTP-aminoacyltRNA. The binding of aminoacyl-tRNA stimulates GTP hydrolysis by EF1A, causing a conformational change in EF1A that causes EF1A-GDP to detach from the ribosome, leaving the aminoacyl-tRNA attached at the A-site. Only the cognate aminoacyl-tRNA can induce the required conformational change in EF1A through its tight anticodon-codon binding [, ]. EF1A-GDP is returned to its active state, EF1A-GTP, through the action of another elongation factor, EF1B (also known as EF-Ts or EF-1beta/gamma/delta).This entry represents EF1A proteins from in eukaryotic (eEF1alpha) and archaeal (aEF1alpha) organisms, these proteins being more closely related to one another than to EF1A (or EF-Tu) from bacteria ().Archaeal EF1-alpha is not only involved in translation elongation. It interacts with Pelota, a mRNA surveillance protein involved in no-go mRNA decay and non-stop mRNA decay; and with RF1, a tRNA-mimicking protein which recognises stop codons and catalyses polypeptide-chain release. Through these interactions archaeal EF1-alpha also has a role in translational termination and mRNA surveillance pathways []. Short Name:  Transl_elong_EF1A_euk/arc

0 Child Features

3 Contains

DB identifier Type Name
IPR004161 Domain Translation elongation factor EFTu/EF1A, domain 2
IPR000795 Domain Transcription factor, GTP-binding domain
IPR004160 Domain Translation elongation factor EFTu/EF1A, C-terminal

2 Cross Referencess

Identifier
TIGR00483
MF_00118_A

0 Found In

4 GO Annotations

GO Term Gene Name
GO:0003746 IPR004539
GO:0005525 IPR004539
GO:0006414 IPR004539
GO:0005737 IPR004539

4 Ontology Annotations

GO Term Gene Name
GO:0003746 IPR004539
GO:0005525 IPR004539
GO:0006414 IPR004539
GO:0005737 IPR004539

0 Parent Features

3256 Proteins

DB identifier UniProt Accession Secondary Identifier Organism Name Length
171512 D8RH56 PAC:15409631 Selaginella moellendorffii 447  
270693 D8RAR5 PAC:15421849 Selaginella moellendorffii 447  
169717 D8RAS1 PAC:15404946 Selaginella moellendorffii 447  
evm.model.supercontig_53.41 PAC:16422265 Carica papaya 447  
evm.model.supercontig_81.68 PAC:16426985 Carica papaya 433  
29904.m002921 PAC:16812566 Ricinus communis 449  
29904.m002922 PAC:16812567 Ricinus communis 449  
29938.m000598 B9SPV9 PAC:16814221 Ricinus communis 449  
Cucsa.052810.1 PAC:16954282 Cucumis sativus 449  
Cucsa.193990.1 PAC:16968124 Cucumis sativus 447  
Cucsa.193990.2 PAC:16968125 Cucumis sativus 447  
Cucsa.275680.1 PAC:16974015 Cucumis sativus 449  
orange1.1g013237m A0A067E3N7 PAC:18125542 Citrus sinensis 447  
AT5G60390.2 PAC:19665552 Arabidopsis thaliana 400  
AT5G60390.1 Q8GTY0 PAC:19665550 Arabidopsis thaliana 449  
AT5G60390.3 Q8GTY0 PAC:19665551 Arabidopsis thaliana 449  
AT1G07940.2 P0DH99 PAC:19651751 Arabidopsis thaliana 449  
AT1G07930.1 Q8W4H7 PAC:19650439 Arabidopsis thaliana 449  
AT1G07920.1 Q0WL56 PAC:19654923 Arabidopsis thaliana 449  
AT1G07940.1 P0DH99 PAC:19651750 Arabidopsis thaliana 449  
Thhalv10013526m PAC:20204134 Eutrema salsugineum 449  
Thhalv10007620m PAC:20186573 Eutrema salsugineum 449  
Thhalv10007621m PAC:20186055 Eutrema salsugineum 449  
Thhalv10007619m PAC:20187868 Eutrema salsugineum 449  
Thhalv10007617m PAC:20187869 Eutrema salsugineum 449  
Thhalv10007618m PAC:20186054 Eutrema salsugineum 449  
Ciclev10028445m PAC:20814416 Citrus clementina 447  
Ciclev10028443m V4RTC0 PAC:20813790 Citrus clementina 447  
Ciclev10028446m PAC:20814759 Citrus clementina 447  
Ciclev10033471m V4TIC3 PAC:20805668 Citrus clementina 447  

6 Publications

First Author Title Year Journal Volume Pages PubMed ID
            12932732
            15922593
            12762045
            15680978
            12102560
            20974926