ID   RL21_LACLA              Reviewed;         104 AA.
AC   Q9CGL7;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=LL1079;
GN   ORFNames=L0417;
OS   Lactococcus lactis subsp. lactis (strain IL1403) (Streptococcus lactis).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Lactococcus.
OX   NCBI_TaxID=272623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IL1403;
RX   PubMed=11337471; DOI=10.1101/gr.gr-1697r;
RA   Bolotin A., Wincker P., Mauger S., Jaillon O., Malarme K., Weissenbach J.,
RA   Ehrlich S.D., Sorokin A.;
RT   "The complete genome sequence of the lactic acid bacterium Lactococcus
RT   lactis ssp. lactis IL1403.";
RL   Genome Res. 11:731-753(2001).
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; AE005176; AAK05177.1; -; Genomic_DNA.
DR   PIR; G86759; G86759.
DR   RefSeq; NP_267235.1; NC_002662.1.
DR   RefSeq; WP_010905746.1; NC_002662.1.
DR   AlphaFoldDB; Q9CGL7; -.
DR   SMR; Q9CGL7; -.
DR   STRING; 272623.L0417; -.
DR   PaxDb; Q9CGL7; -.
DR   EnsemblBacteria; AAK05177; AAK05177; L0417.
DR   KEGG; lla:L0417; -.
DR   PATRIC; fig|272623.7.peg.1157; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_1_9; -.
DR   OMA; HRQEITR; -.
DR   Proteomes; UP000002196; 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..104
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000269333"
SQ   SEQUENCE   104 AA;  11437 MW;  843CC73BBBB7381A CRC64;
     MSNYAIIKTG GKQLKVEEGS VIYVEKLNVE AGQTVTFDEV IFVGGETTKV GAPLVEGATV
     VGEVEKHGKQ KKVVTFQYKP KKHSHRKQGH RQPYTKVVIK SVNA