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Protein

Translation initiation factor IF-1

Gene

infA

Organism
Azorhizobium caulinodans (strain ATCC 43989 / DSM 5975 / JCM 20966 / NBRC 14845 / NCIMB 13405 / ORS 571)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

One of the essential components for the initiation of protein synthesis. Stabilizes the binding of IF-2 and IF-3 on the 30S subunit to which N-formylmethionyl-tRNA(fMet) subsequently binds. Helps modulate mRNA selection, yielding the 30S pre-initiation complex (PIC). Upon addition of the 50S ribosomal subunit IF-1, IF-2 and IF-3 are released leaving the mature 70S translation initiation complex.UniRule annotation

GO - Molecular functioni

Keywordsi

Molecular functionInitiation factor, RNA-binding, rRNA-binding
Biological processProtein biosynthesis

Names & Taxonomyi

Protein namesi
Recommended name:
Translation initiation factor IF-1UniRule annotation
Gene namesi
Name:infAUniRule annotation
Ordered Locus Names:AZC_2365
OrganismiAzorhizobium caulinodans (strain ATCC 43989 / DSM 5975 / JCM 20966 / NBRC 14845 / NCIMB 13405 / ORS 571)
Taxonomic identifieri438753 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesXanthobacteraceaeAzorhizobium
Proteomesi
  • UP000000270 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00003387641 – 91Translation initiation factor IF-1Add BLAST91

Interactioni

Subunit structurei

Component of the 30S ribosomal translation pre-initiation complex which assembles on the 30S ribosome in the order IF-2 and IF-3, IF-1 and N-formylmethionyl-tRNA(fMet); mRNA recruitment can occur at any time during PIC assembly.UniRule annotation

Protein-protein interaction databases

STRINGi438753.AZC_2365

Structurei

3D structure databases

ProteinModelPortaliA8I655
SMRiA8I655
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini1 – 72S1-likeUniRule annotationAdd BLAST72

Sequence similaritiesi

Belongs to the IF-1 family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105K9U Bacteria
COG0361 LUCA
HOGENOMiHOG000221323
KOiK02518
OMAiGKMRKNH
OrthoDBiPOG091H019C

Family and domain databases

CDDicd04451 S1_IF1, 1 hit
HAMAPiMF_00075 IF_1, 1 hit
InterProiView protein in InterPro
IPR012340 NA-bd_OB-fold
IPR006196 RNA-binding_domain_S1_IF1
IPR022967 S1_dom
IPR004368 TIF_IF1
PANTHERiPTHR33370 PTHR33370, 1 hit
PfamiView protein in Pfam
PF01176 eIF-1a, 1 hit
SMARTiView protein in SMART
SM00316 S1, 1 hit
SUPFAMiSSF50249 SSF50249, 1 hit
TIGRFAMsiTIGR00008 infA, 1 hit
PROSITEiView protein in PROSITE
PS50832 S1_IF1_TYPE, 1 hit

Sequencei

Sequence statusi: Complete.

A8I655-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAKEELLEFE GTVTEVLPDG NFRVRLDNDH QILAYAAGKM KKNRIRTIEG
60 70 80 90
DRVVVEMSPY DLDRGRINFR HKAEGNAPPP GARRQQNFRR R
Length:91
Mass (Da):10,564
Last modified:December 4, 2007 - v1
Checksum:iF853B497328A2378
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AP009384 Genomic DNA Translation: BAF88363.1
RefSeqiWP_012115181.1, NC_009937.1

Genome annotation databases

EnsemblBacteriaiBAF88363; BAF88363; AZC_2365
KEGGiazc:AZC_2365

Similar proteinsi

Entry informationi

Entry nameiIF1_AZOC5
AccessioniPrimary (citable) accession number: A8I655
Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 10, 2008
Last sequence update: December 4, 2007
Last modified: March 28, 2018
This is version 62 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome
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Main funding by: National Institutes of Health