ID   RK18_CYAPA              Reviewed;         121 AA.
AC   P23407;
DT   01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1991, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=50S ribosomal protein L18, cyanelle;
GN   Name=rpl18;
OS   Cyanophora paradoxa.
OG   Plastid; Cyanelle.
OC   Eukaryota; Glaucocystophyceae; Cyanophoraceae; Cyanophora.
OX   NCBI_TaxID=2762;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=UTEX 5550;
RX   PubMed=2126059; DOI=10.1007/bf00271555;
RA   Michalowski C.B., Pfanzagl B., Loeffelhardt W., Bohnert H.J.;
RT   "The cyanelle S10 spc ribosomal protein gene operon from Cyanophora
RT   paradoxa.";
RL   Mol. Gen. Genet. 224:222-231(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UTEX LB 555 / Pringsheim;
RA   Stirewalt V.L., Michalowski C.B., Loeffelhardt W., Bohnert H.J.,
RA   Bryant D.A.;
RT   "Nucleotide sequence of the cyanelle DNA from Cyanophora paradoxa.";
RL   Plant Mol. Biol. Rep. 13:327-332(1995).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UTEX LB 555 / Pringsheim;
RA   Loeffelhardt W., Stirewalt V.L., Michalowski C.B., Annarella M.,
RA   Farley J.Y., Schluchter W.M., Chung S., Newmann-Spallart C., Steiner J.M.,
RA   Jakowitsch J., Bohnert H.J., Bryant D.A.;
RT   "The complete sequence of the cyanelle genome of Cyanophora paradoxa: the
RT   genetic complexity of a primitive plastid.";
RL   (In) Schenk H.E.A., Herrmann R., Jeon K.W., Mueller N.E., Schwemmler W.
RL   (eds.);
RL   Eukaryotism and symbiosis, pp.40-48, Springer-Verlag, Heidelberg (1997).
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, cyanelle.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uL18 family.
CC       {ECO:0000305}.
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DR   EMBL; M30487; AAA63628.1; -; Genomic_DNA.
DR   EMBL; U30821; AAA81220.1; -; Genomic_DNA.
DR   PIR; S12219; R5KT18.
DR   RefSeq; NP_043189.1; NC_001675.1.
DR   AlphaFoldDB; P23407; -.
DR   SMR; P23407; -.
DR   GeneID; 801563; -.
DR   GO; GO:0009842; C:cyanelle; IEA:UniProtKB-SubCell.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
DR   GO; GO:0006412; P:translation; IEA:InterPro.
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   Cyanelle; Plastid; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..121
FT                   /note="50S ribosomal protein L18, cyanelle"
FT                   /id="PRO_0000131424"
SQ   SEQUENCE   121 AA;  13555 MW;  EF4372169A254473 CRC64;
     MKLTRKQATQ RRHRRVRRKV FGTSERPRLA VFRSHQHIYA QIIDDTQHRT LAASSTLEPS
     VKNSELSSTS TCAASAIVGQ LIAKKALEKG ITQVVFDRGG KIYHGRVRTL AEAAREAGLQ
     F