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Protein

30S ribosomal protein S18

Gene

rpsR

Organism
Thermus thermophilus
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at protein leveli

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.By similarity

GO - Molecular functioni

GO - Biological processi

Keywordsi

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

Names & Taxonomyi

Protein namesi
Recommended name:
30S ribosomal protein S18
Gene namesi
Name:rpsR
Synonyms:rps18
OrganismiThermus thermophilus
Taxonomic identifieri274 [NCBI]
Taxonomic lineageiBacteriaDeinococcus-ThermusDeinococciThermalesThermaceaeThermus

Subcellular locationi

GO - Cellular componenti

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedBy similarity
ChainiPRO_00001112512 – 8830S ribosomal protein S18Add BLAST87

Interactioni

Subunit structurei

Part of the 30S ribosomal subunit. Forms a tight heterodimer with protein S6 (By similarity).By similarity

Structurei

Secondary structure

188
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Turni22 – 24Combined sources3
Helixi37 – 40Combined sources4
Helixi41 – 43Combined sources3
Beta strandi46 – 48Combined sources3
Helixi53 – 56Combined sources4
Helixi60 – 75Combined sources16

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1TWTmodel-U1-88[»]
2VQEX-ray2.50R1-88[»]
2VQFX-ray2.90R1-88[»]
5A9Zelectron microscopy4.70BV16-88[»]
5IMQelectron microscopy3.80V1-88[»]
5IMRelectron microscopy-V1-88[»]
ProteinModelPortaliP80382.
SMRiP80382.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP80382.

Family & Domainsi

Sequence similaritiesi

Phylogenomic databases

eggNOGiENOG4105VH8. Bacteria.
COG0238. LUCA.

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.

Sequence processingi: The displayed sequence is further processed into a mature form.

P80382-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSTKNAKPKK EAQRRPSRKA KVKATLGEFD LRDYRNVEVL KRFLSETGKI
60 70 80
LPRRRTGLSG KEQRILAKTI KRARILGLLP FTEKLVRK
Length:88
Mass (Da):10,217
Last modified:January 23, 2007 - v3
Checksum:iCFDE7AC4935E9E09
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF146075 Genomic DNA. Translation: AAF27297.1.

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_THETH
AccessioniPrimary (citable) accession number: P80382
Secondary accession number(s): Q9LCZ0
Entry historyiIntegrated into UniProtKB/Swiss-Prot: February 1, 1995
Last sequence update: January 23, 2007
Last modified: July 5, 2017
This is version 100 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. Ribosomal proteins
    Ribosomal proteins families and list of entries
  3. SIMILARITY comments
    Index of protein domains and families