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Protein

30S ribosomal protein S18

Gene

rpsR

Organism
Escherichia coli O9:H4 (strain HS)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Protein inferred from homologyi

Functioni

Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit.UniRule annotation

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionRibonucleoprotein, Ribosomal protein, RNA-binding, rRNA-binding

Names & Taxonomyi

Protein namesi
Recommended name:
30S ribosomal protein S18UniRule annotation
Gene namesi
Name:rpsRUniRule annotation
Ordered Locus Names:EcHS_A4446
OrganismiEscherichia coli O9:H4 (strain HS)
Taxonomic identifieri331112 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia

Subcellular locationi

GO - Cellular componenti

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10000591381 – 7530S ribosomal protein S18Add BLAST75

Interactioni

Subunit structurei

Part of the 30S ribosomal subunit. Forms a tight heterodimer with protein S6.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliA8A7U8.
SMRiA8A7U8.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the bacterial ribosomal protein bS18 family.UniRule annotation

Phylogenomic databases

HOGENOMiHOG000218466.
KOiK02963.
OMAiCAKHQRM.

Family and domain databases

Gene3Di4.10.640.10. 1 hit.
HAMAPiMF_00270. Ribosomal_S18. 1 hit.
InterProiView protein in InterPro
IPR001648. Ribosomal_S18.
IPR018275. Ribosomal_S18_CS.
PfamiView protein in Pfam
PF01084. Ribosomal_S18. 1 hit.
PRINTSiPR00974. RIBOSOMALS18.
ProDomiView protein in ProDom or Entries sharing at least one domain
PD002239. Ribosomal_S18. 1 hit.
SUPFAMiSSF46911. SSF46911. 1 hit.
TIGRFAMsiTIGR00165. S18. 1 hit.
PROSITEiView protein in PROSITE
PS00057. RIBOSOMAL_S18. 1 hit.

Sequencei

Sequence statusi: Complete.

A8A7U8-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MARYFRRRKF CRFTAEGVQE IDYKDIATLK NYITESGKIV PSRITGTRAK
60 70
YQRQLARAIK RARYLSLLPY TDRHQ
Length:75
Mass (Da):8,986
Last modified:October 23, 2007 - v1
Checksum:iAB2E8288901B73B8
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000802 Genomic DNA. Translation: ABV08602.1.
RefSeqiWP_000135199.1. NC_009800.1.

Genome annotation databases

EnsemblBacteriaiABV08602; ABV08602; EcHS_A4446.
GeneIDi9735149.
KEGGiecx:EcHS_A4446.

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.

Entry informationi

Entry nameiRS18_ECOHS
AccessioniPrimary (citable) accession number: A8A7U8
Entry historyiIntegrated into UniProtKB/Swiss-Prot: February 5, 2008
Last sequence update: October 23, 2007
Last modified: June 7, 2017
This is version 51 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. Ribosomal proteins
    Ribosomal proteins families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families