ID   RS18_BACTN              Reviewed;          90 AA.
AC   Q8A5S6;
DT   15-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=30S ribosomal protein S18 {ECO:0000255|HAMAP-Rule:MF_00270};
GN   Name=rpsR {ECO:0000255|HAMAP-Rule:MF_00270}; OrderedLocusNames=BT_2162;
OS   Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 /
OS   CCUG 10774 / NCTC 10582 / VPI-5482 / E50).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC   Bacteroides.
OX   NCBI_TaxID=226186;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 /
RC   VPI-5482 / E50;
RX   PubMed=12663928; DOI=10.1126/science.1080029;
RA   Xu J., Bjursell M.K., Himrod J., Deng S., Carmichael L.K., Chiang H.C.,
RA   Hooper L.V., Gordon J.I.;
RT   "A genomic view of the human-Bacteroides thetaiotaomicron symbiosis.";
RL   Science 299:2074-2076(2003).
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; AE015928; AAO77269.1; -; Genomic_DNA.
DR   RefSeq; NP_811075.1; NC_004663.1.
DR   RefSeq; WP_008759740.1; NZ_UYXG01000020.1.
DR   AlphaFoldDB; Q8A5S6; -.
DR   SMR; Q8A5S6; -.
DR   STRING; 226186.BT_2162; -.
DR   PaxDb; Q8A5S6; -.
DR   PRIDE; Q8A5S6; -.
DR   EnsemblBacteria; AAO77269; AAO77269; BT_2162.
DR   GeneID; 45366487; -.
DR   GeneID; 60923332; -.
DR   KEGG; bth:BT_2162; -.
DR   PATRIC; fig|226186.12.peg.2226; -.
DR   eggNOG; COG0238; Bacteria.
DR   HOGENOM; CLU_148710_2_0_10; -.
DR   InParanoid; Q8A5S6; -.
DR   OMA; QKKYCRF; -.
DR   Proteomes; UP000001414; 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; IPR018275; Ribosomal_S18_CS.
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.
DR   PROSITE; PS00057; RIBOSOMAL_S18; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..90
FT                   /note="30S ribosomal protein S18"
FT                   /id="PRO_0000111118"
SQ   SEQUENCE   90 AA;  10706 MW;  2690068E6154257E CRC64;
     MAQQTQSEIR YLTPPSVDVK KKKYCRFKKS GIRYIDYKDP EFLKKFLNEQ GKILPRRITG
     TSLKFQRRIA QAVKRARHLA LLPYVTDMMK