ID   RS18_PORGI              Reviewed;          90 AA.
AC   Q7MWL2;
DT   15-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   25-MAY-2022, entry version 100.
DE   RecName: Full=30S ribosomal protein S18 {ECO:0000255|HAMAP-Rule:MF_00270};
GN   Name=rpsR {ECO:0000255|HAMAP-Rule:MF_00270}; OrderedLocusNames=PG_0596;
OS   Porphyromonas gingivalis (strain ATCC BAA-308 / W83).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae;
OC   Porphyromonas.
OX   NCBI_TaxID=242619;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-308 / W83;
RX   PubMed=12949112; DOI=10.1128/jb.185.18.5591-5601.2003;
RA   Nelson K.E., Fleischmann R.D., DeBoy R.T., Paulsen I.T., Fouts D.E.,
RA   Eisen J.A., Daugherty S.C., Dodson R.J., Durkin A.S., Gwinn M.L.,
RA   Haft D.H., Kolonay J.F., Nelson W.C., Mason T.M., Tallon L., Gray J.,
RA   Granger D., Tettelin H., Dong H., Galvin J.L., Duncan M.J., Dewhirst F.E.,
RA   Fraser C.M.;
RT   "Complete genome sequence of the oral pathogenic bacterium Porphyromonas
RT   gingivalis strain W83.";
RL   J. Bacteriol. 185:5591-5601(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; AE015924; AAQ65782.1; -; Genomic_DNA.
DR   RefSeq; WP_004585133.1; NC_002950.2.
DR   AlphaFoldDB; Q7MWL2; -.
DR   SMR; Q7MWL2; -.
DR   STRING; 242619.PG_0596; -.
DR   EnsemblBacteria; AAQ65782; AAQ65782; PG_0596.
DR   GeneID; 57239194; -.
DR   KEGG; pgi:PG_0596; -.
DR   eggNOG; COG0238; Bacteria.
DR   HOGENOM; CLU_148710_2_0_10; -.
DR   OMA; QKKYCRF; -.
DR   OrthoDB; 1940575at2; -.
DR   Proteomes; UP000000588; 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..90
FT                   /note="30S ribosomal protein S18"
FT                   /id="PRO_0000111204"
SQ   SEQUENCE   90 AA;  10622 MW;  6554F1B3A23454C7 CRC64;
     MAANNQGEIR YLTPLSVDTK KKKYCRFKKS GIRYIDYKDP EFLKKFLNEQ GKILPRRITG
     TSLKFQRRVA QAVKRARHLA LLPYVTDMMK