ID   RL18_PROM3              Reviewed;         122 AA.
AC   A2CC43;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=50S ribosomal protein L18 {ECO:0000255|HAMAP-Rule:MF_01337};
GN   Name=rplR {ECO:0000255|HAMAP-Rule:MF_01337};
GN   Synonyms=rpl18 {ECO:0000255|HAMAP-Rule:MF_01337};
GN   OrderedLocusNames=P9303_23181;
OS   Prochlorococcus marinus (strain MIT 9303).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59922;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9303;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
CC   -!- FUNCTION: This is one of the proteins that binds and probably mediates
CC       the attachment of the 5S RNA into the large ribosomal subunit, where it
CC       forms part of the central protuberance. {ECO:0000255|HAMAP-
CC       Rule:MF_01337}.
CC   -!- SUBUNIT: Part of the 50S ribosomal subunit; part of the 5S
CC       rRNA/L5/L18/L25 subcomplex. Contacts the 5S and 23S rRNAs.
CC       {ECO:0000255|HAMAP-Rule:MF_01337}.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uL18 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01337}.
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DR   EMBL; CP000554; ABM79053.1; -; Genomic_DNA.
DR   AlphaFoldDB; A2CC43; -.
DR   SMR; A2CC43; -.
DR   STRING; 59922.P9303_23181; -.
DR   EnsemblBacteria; ABM79053; ABM79053; P9303_23181.
DR   KEGG; pmf:P9303_23181; -.
DR   HOGENOM; CLU_098841_0_1_3; -.
DR   OMA; NKQIYAQ; -.
DR   BioCyc; PMAR59922:G1G80-2034-MON; -.
DR   Proteomes; UP000002274; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProt.
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   HAMAP; MF_01337_B; Ribosomal_L18_B; 1.
DR   InterPro; IPR005484; Ribosomal_L18.
DR   InterPro; IPR004389; Ribosomal_L18_bac-type.
DR   PANTHER; PTHR12899; PTHR12899; 1.
DR   Pfam; PF00861; Ribosomal_L18p; 1.
DR   TIGRFAMs; TIGR00060; L18_bact; 1.
PE   3: Inferred from homology;
KW   Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT   CHAIN           1..122
FT                   /note="50S ribosomal protein L18"
FT                   /id="PRO_1000053081"
FT   REGION          1..27
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        8..23
FT                   /note="Basic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   122 AA;  13486 MW;  B0B625B349A7CBA6 CRC64;
     MSNLSRKQQT QKRHRRLRRH LNGTAQRPRL AVFRSNNHIY AQVIDDEAQN TLCAASTLDK
     DLRTSLKADG SSCDASNAVG DLVAKRALAK GIQQVVFDRG GNLYHGRVKS LADAAREAGL
     QF