ID   RS18_ENTFA              Reviewed;          79 AA.
AC   Q839Y8;
DT   15-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 91.
DE   RecName: Full=30S ribosomal protein S18 {ECO:0000255|HAMAP-Rule:MF_00270};
GN   Name=rpsR {ECO:0000255|HAMAP-Rule:MF_00270}; OrderedLocusNames=EF_0009;
OS   Enterococcus faecalis (strain ATCC 700802 / V583).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Enterococcaceae;
OC   Enterococcus.
OX   NCBI_TaxID=226185;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700802 / V583;
RX   PubMed=12663927; DOI=10.1126/science.1080613;
RA   Paulsen I.T., Banerjei L., Myers G.S.A., Nelson K.E., Seshadri R.,
RA   Read T.D., Fouts D.E., Eisen J.A., Gill S.R., Heidelberg J.F., Tettelin H.,
RA   Dodson R.J., Umayam L.A., Brinkac L.M., Beanan M.J., Daugherty S.C.,
RA   DeBoy R.T., Durkin S.A., Kolonay J.F., Madupu R., Nelson W.C.,
RA   Vamathevan J.J., Tran B., Upton J., Hansen T., Shetty J., Khouri H.M.,
RA   Utterback T.R., Radune D., Ketchum K.A., Dougherty B.A., Fraser C.M.;
RT   "Role of mobile DNA in the evolution of vancomycin-resistant Enterococcus
RT   faecalis.";
RL   Science 299:2071-2074(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; AE016830; AAO79894.1; -; Genomic_DNA.
DR   RefSeq; NP_813822.1; NC_004668.1.
DR   RefSeq; WP_002356021.1; NZ_KE136524.1.
DR   PDB; 6WUB; EM; 3.20 A; r=13-78.
DR   PDB; 7P7R; EM; 2.90 A; s=1-79.
DR   PDBsum; 6WUB; -.
DR   PDBsum; 7P7R; -.
DR   AlphaFoldDB; Q839Y8; -.
DR   SMR; Q839Y8; -.
DR   STRING; 226185.EF_0009; -.
DR   EnsemblBacteria; AAO79894; AAO79894; EF_0009.
DR   GeneID; 60892572; -.
DR   KEGG; efa:EF0009; -.
DR   PATRIC; fig|226185.45.peg.245; -.
DR   eggNOG; COG0238; Bacteria.
DR   HOGENOM; CLU_148710_2_2_9; -.
DR   OMA; QKKYCRF; -.
DR   Proteomes; UP000001415; Chromosome.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
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   1: Evidence at protein level;
KW   3D-structure; Reference proteome; Ribonucleoprotein; Ribosomal protein;
KW   RNA-binding; rRNA-binding.
FT   CHAIN           1..79
FT                   /note="30S ribosomal protein S18"
FT                   /id="PRO_0000111156"
FT   HELIX           16..19
FT                   /evidence="ECO:0007829|PDB:6WUB"
FT   TURN            26..28
FT                   /evidence="ECO:0007829|PDB:6WUB"
FT   HELIX           30..33
FT                   /evidence="ECO:0007829|PDB:6WUB"
FT   HELIX           46..49
FT                   /evidence="ECO:0007829|PDB:6WUB"
FT   HELIX           53..68
FT                   /evidence="ECO:0007829|PDB:6WUB"
SQ   SEQUENCE   79 AA;  9242 MW;  CF3341B305123C05 CRC64;
     MAQQRRGGRK RRKVDYIAAN HIEYIDYKDT ELLKRFISER GKILPRRVTG TGAKNQRKLT
     IAIKRARIMG LLPFVSDEQ