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O27958 (IF2B_ARCFU) Reviewed, UniProtKB/Swiss-Prot

Last modified February 19, 2014. Version 83. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Translation initiation factor 2 subunit beta
Alternative name(s):
aIF2-beta
eIF-2-beta
Gene names
Name:eif2b
Ordered Locus Names:AF_2326
OrganismArchaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126) [Reference proteome] [HAMAP]
Taxonomic identifier224325 [NCBI]
Taxonomic lineageArchaeaEuryarchaeotaArchaeoglobiArchaeoglobalesArchaeoglobaceaeArchaeoglobus

Protein attributes

Sequence length137 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

eIF-2 functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA By similarity. HAMAP-Rule MF_00232

Subunit structure

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

Sequence similarities

Belongs to the eIF-2-beta/eIF-5 family.

Ontologies

Keywords
   Biological processProtein biosynthesis
   Molecular functionInitiation factor
   Technical termComplete proteome
Reference proteome
Gene Ontology (GO)
   Molecular_functiontranslation initiation factor activity

Inferred from electronic annotation. Source: UniProtKB-HAMAP

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 137137Translation initiation factor 2 subunit beta HAMAP-Rule MF_00232
PRO_0000137417

Sequences

Sequence LengthMass (Da)Tools
O27958 [UniParc].

Last modified January 1, 1998. Version 1.
Checksum: 11B962290D144E83

FASTA13716,088
        10         20         30         40         50         60 
MMRSYEELLE RAFEKLADKD VVRRERFEIP RVSIQREGAR TILKNFSQIA KTLNRSEDHL 

        70         80         90        100        110        120 
YKYIVKSLGT AGFIDNGRLV LQGKFTESEL QKEVDDYVRL YVLCRECNSP DTEFIKEERV 

       130 
LMLRCLACGA KHPVRNI 

« Hide

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AE000782 Genomic DNA. Translation: AAB88931.1.
PIRF69540.
RefSeqNP_071151.1. NC_000917.1.

3D structure databases

ProteinModelPortalO27958.
SMRO27958. Positions 102-137.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING224325.AF2326.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaAAB88931; AAB88931; AF_2326.
GeneID1485558.
KEGGafu:AF2326.

Phylogenomic databases

eggNOGCOG1601.
KOK03238.
OMAMKYLTRE.
ProtClustDBPRK03988.

Enzyme and pathway databases

BioCycAFUL224325:GJBC-2375-MONOMER.

Family and domain databases

Gene3D3.30.30.50. 1 hit.
HAMAPMF_00232. eIF_2_beta.
InterProIPR004458. TIF2_bsu_arc.
IPR002735. Transl_init_fac_IF2/IF5.
IPR016189. Transl_init_fac_IF2/IF5_N.
IPR016190. Transl_init_fac_IF2/IF5_Zn-bd.
[Graphical view]
PfamPF01873. eIF-5_eIF-2B. 1 hit.
[Graphical view]
SMARTSM00653. eIF2B_5. 1 hit.
[Graphical view]
SUPFAMSSF100966. SSF100966. 1 hit.
SSF75689. SSF75689. 1 hit.
TIGRFAMsTIGR00311. aIF-2beta. 1 hit.
ProtoNetSearch...

Entry information

Entry nameIF2B_ARCFU
AccessionPrimary (citable) accession number: O27958
Entry history
Integrated into UniProtKB/Swiss-Prot: July 15, 1998
Last sequence update: January 1, 1998
Last modified: February 19, 2014
This is version 83 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

Translation initiation factors

List of translation initiation factor entries