ID   RS18_AQUAE              Reviewed;          72 AA.
AC   O66476;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   03-AUG-2022, entry version 112.
DE   RecName: Full=30S ribosomal protein S18 {ECO:0000255|HAMAP-Rule:MF_00270};
GN   Name=rpsR {ECO:0000255|HAMAP-Rule:MF_00270}; OrderedLocusNames=aq_064.1;
GN   ORFNames=aq_064A;
OS   Aquifex aeolicus (strain VF5).
OC   Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX   NCBI_TaxID=224324;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=VF5;
RX   PubMed=9537320; DOI=10.1038/32831;
RA   Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA   Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA   Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT   "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL   Nature 392:353-358(1998).
CC   -!- FUNCTION: Binds as a heterodimer with protein S6 to the central domain
CC       of the 16S rRNA, where it helps stabilize the platform of the 30S
CC       subunit. {ECO:0000255|HAMAP-Rule:MF_00270}.
CC   -!- SUBUNIT: Part of the 30S ribosomal subunit. Forms a tight heterodimer
CC       with protein S6. {ECO:0000255|HAMAP-Rule:MF_00270}.
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS18 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00270}.
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DR   EMBL; AE000657; AAC06446.1; -; Genomic_DNA.
DR   PIR; A70306; A70306.
DR   RefSeq; NP_213036.1; NC_000918.1.
DR   RefSeq; WP_010879974.1; NC_000918.1.
DR   AlphaFoldDB; O66476; -.
DR   SMR; O66476; -.
DR   STRING; 224324.aq_064a; -.
DR   EnsemblBacteria; AAC06446; AAC06446; aq_064a.
DR   KEGG; aae:aq_064a; -.
DR   eggNOG; COG0238; Bacteria.
DR   HOGENOM; CLU_148710_2_2_0; -.
DR   InParanoid; O66476; -.
DR   OMA; QKKYCRF; -.
DR   OrthoDB; 1940575at2; -.
DR   Proteomes; UP000000798; Chromosome.
DR   GO; GO:0022627; C:cytosolic small ribosomal subunit; IBA:GO_Central.
DR   GO; GO:0070181; F:small ribosomal subunit rRNA binding; IBA:GO_Central.
DR   GO; GO:0003735; F:structural constituent of ribosome; IBA:GO_Central.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   Gene3D; 4.10.640.10; -; 1.
DR   HAMAP; MF_00270; Ribosomal_S18; 1.
DR   InterPro; IPR001648; Ribosomal_S18.
DR   InterPro; IPR036870; Ribosomal_S18_sf.
DR   PANTHER; PTHR13479; PTHR13479; 1.
DR   Pfam; PF01084; Ribosomal_S18; 1.
DR   PRINTS; PR00974; RIBOSOMALS18.
DR   SUPFAM; SSF46911; SSF46911; 1.
DR   TIGRFAMs; TIGR00165; S18; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..72
FT                   /note="30S ribosomal protein S18"
FT                   /id="PRO_0000111107"
SQ   SEQUENCE   72 AA;  8712 MW;  FFA1A5DB02E09F35 CRC64;
     MVVRAPKKKV CMYCEQKREP DYKNYEELRN FLTERGRIKD RKQTGLCAKH QRRLAVQIKR
     ARQLGLLPYV VY