ID   RS18_LACLA              Reviewed;          81 AA.
AC   Q9CDN0;
DT   27-APR-2001, integrated into UniProtKB/Swiss-Prot.
DT   27-APR-2001, sequence version 1.
DT   25-MAY-2022, entry version 106.
DE   RecName: Full=30S ribosomal protein S18 {ECO:0000255|HAMAP-Rule:MF_00270};
GN   Name=rpsR {ECO:0000255|HAMAP-Rule:MF_00270}; OrderedLocusNames=LL2189;
GN   ORFNames=L0395;
OS   Lactococcus lactis subsp. lactis (strain IL1403) (Streptococcus lactis).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Lactococcus.
OX   NCBI_TaxID=272623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IL1403;
RX   PubMed=11337471; DOI=10.1101/gr.gr-1697r;
RA   Bolotin A., Wincker P., Mauger S., Jaillon O., Malarme K., Weissenbach J.,
RA   Ehrlich S.D., Sorokin A.;
RT   "The complete genome sequence of the lactic acid bacterium Lactococcus
RT   lactis ssp. lactis IL1403.";
RL   Genome Res. 11:731-753(2001).
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; AE005176; AAK06287.1; -; Genomic_DNA.
DR   PIR; E86898; E86898.
DR   RefSeq; NP_268346.1; NC_002662.1.
DR   RefSeq; WP_003131952.1; NC_002662.1.
DR   AlphaFoldDB; Q9CDN0; -.
DR   SMR; Q9CDN0; -.
DR   STRING; 272623.L0395; -.
DR   PaxDb; Q9CDN0; -.
DR   EnsemblBacteria; AAK06287; AAK06287; L0395.
DR   GeneID; 60355799; -.
DR   GeneID; 61110519; -.
DR   GeneID; 66443181; -.
DR   KEGG; lla:L0395; -.
DR   PATRIC; fig|272623.7.peg.2351; -.
DR   eggNOG; COG0238; Bacteria.
DR   HOGENOM; CLU_148710_2_2_9; -.
DR   OMA; QKKYCRF; -.
DR   Proteomes; UP000002196; 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   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..81
FT                   /note="30S ribosomal protein S18"
FT                   /id="PRO_0000111166"
SQ   SEQUENCE   81 AA;  9371 MW;  C4902023CE9EA226 CRC64;
     MAQQRRGGFK RRKKVDFIAA NKIEVVDYKD TELLKRFISE RGKILPRRVT GTSAKNQRKV
     VNAIKRARVM ALLPFVAEDQ N