ID   RL21_PARUW              Reviewed;         114 AA.
AC   Q6MEQ8;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=pc0217;
OS   Protochlamydia amoebophila (strain UWE25).
OC   Bacteria; Chlamydiae; Parachlamydiales; Parachlamydiaceae;
OC   Candidatus Protochlamydia.
OX   NCBI_TaxID=264201;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UWE25;
RX   PubMed=15073324; DOI=10.1126/science.1096330;
RA   Horn M., Collingro A., Schmitz-Esser S., Beier C.L., Purkhold U.,
RA   Fartmann B., Brandt P., Nyakatura G.J., Droege M., Frishman D., Rattei T.,
RA   Mewes H.-W., Wagner M.;
RT   "Illuminating the evolutionary history of chlamydiae.";
RL   Science 304:728-730(2004).
CC   -!- FUNCTION: This protein binds to 23S rRNA in the presence of protein
CC       L20. {ECO:0000255|HAMAP-Rule:MF_01363}.
CC   -!- SUBUNIT: Part of the 50S ribosomal subunit. Contacts protein L20.
CC       {ECO:0000255|HAMAP-Rule:MF_01363}.
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bL21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01363}.
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DR   EMBL; BX908798; CAF22941.1; -; Genomic_DNA.
DR   RefSeq; WP_011174767.1; NC_005861.1.
DR   AlphaFoldDB; Q6MEQ8; -.
DR   SMR; Q6MEQ8; -.
DR   STRING; 264201.pc0217; -.
DR   EnsemblBacteria; CAF22941; CAF22941; PC_RS01050.
DR   KEGG; pcu:PC_RS01050; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_0; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000000529; 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_01363; Ribosomal_L21; 1.
DR   InterPro; IPR036164; L21-like_sf.
DR   InterPro; IPR028909; L21p-like.
DR   InterPro; IPR001787; Ribosomal_L21.
DR   PANTHER; PTHR21349; PTHR21349; 1.
DR   Pfam; PF00829; Ribosomal_L21p; 1.
DR   SUPFAM; SSF141091; SSF141091; 1.
DR   TIGRFAMs; TIGR00061; L21; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..114
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270707"
SQ   SEQUENCE   114 AA;  12589 MW;  4C136FFA3A7121E3 CRC64;
     MYAIIKTGGK QYRVQEGDII DVELLNTDPG AQVEFGEVLF AFDGAKTQIG KPGIPNFLVY
     GEVVGTVKGE KVTSLKYKPS HNQCRKWGHR QHYTRVKITG IGSKRKGKEG NHGS