ID   RK18_GUITH              Reviewed;         107 AA.
AC   O46909;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=50S ribosomal protein L18, chloroplastic;
GN   Name=rpl18;
OS   Guillardia theta (Cryptophyte) (Cryptomonas phi).
OG   Plastid; Chloroplast.
OC   Eukaryota; Cryptophyceae; Pyrenomonadales; Geminigeraceae; Guillardia.
OX   NCBI_TaxID=55529;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=9137835; DOI=10.1080/15216549700202101;
RA   Wang S.L., Liu X.-Q., Douglas S.E.;
RT   "The large ribosomal protein gene cluster of a cryptomonad plastid: gene
RT   organization, sequence and evolutionary implications.";
RL   Biochem. Mol. Biol. Int. 41:1035-1044(1997).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=9929392; DOI=10.1007/pl00006462;
RA   Douglas S.E., Penny S.L.;
RT   "The plastid genome of the cryptophyte alga, Guillardia theta: complete
RT   sequence and conserved synteny groups confirm its common ancestry with red
RT   algae.";
RL   J. Mol. Evol. 48:236-244(1999).
CC   -!- FUNCTION: Binds 5S rRNA, forms part of the central protuberance of the
CC       50S subunit. {ECO:0000250}.
CC   -!- SUBUNIT: Part of the 50S ribosomal subunit; contacts the 5S rRNA.
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uL18 family.
CC       {ECO:0000305}.
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DR   EMBL; AF041468; AAC35718.1; -; Genomic_DNA.
DR   RefSeq; NP_050784.1; NC_000926.1.
DR   AlphaFoldDB; O46909; -.
DR   SMR; O46909; -.
DR   GeneID; 857092; -.
DR   HOGENOM; CLU_098841_0_1_1; -.
DR   OMA; NKQIYAQ; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
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   Chloroplast; Plastid; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..107
FT                   /note="50S ribosomal protein L18, chloroplastic"
FT                   /id="PRO_0000131426"
SQ   SEQUENCE   107 AA;  11884 MW;  852987680115E346 CRC64;
     MKRTNKIKGT LERPRLSVFR SNCHIYAQVI DDSSGMTIVS TSTLDKDVKS LLNNTSTCEA
     SKIVGQVIAK KTLARNIKQV IFDRGKRVYH GRISALAEAA RESGLEF