ID   RL21_STRPQ              Reviewed;         104 AA.
AC   P0DE21; Q79WT5; Q7CF92;
DT   27-JUL-2011, integrated into UniProtKB/Swiss-Prot.
DT   27-JUL-2011, sequence version 1.
DT   03-AUG-2022, entry version 46.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=SPs1302;
OS   Streptococcus pyogenes serotype M3 (strain SSI-1).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=193567;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SSI-1;
RX   PubMed=12799345; DOI=10.1101/gr.1096703;
RA   Nakagawa I., Kurokawa K., Yamashita A., Nakata M., Tomiyasu Y.,
RA   Okahashi N., Kawabata S., Yamazaki K., Shiba T., Yasunaga T., Hayashi H.,
RA   Hattori M., Hamada S.;
RT   "Genome sequence of an M3 strain of Streptococcus pyogenes reveals a large-
RT   scale genomic rearrangement in invasive strains and new insights into phage
RT   evolution.";
RL   Genome Res. 13:1042-1055(2003).
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; BA000034; BAC64397.1; -; Genomic_DNA.
DR   RefSeq; WP_002985116.1; NC_004606.1.
DR   AlphaFoldDB; P0DE21; -.
DR   SMR; P0DE21; -.
DR   GeneID; 66917055; -.
DR   KEGG; sps:SPs1302; -.
DR   HOGENOM; CLU_061463_3_1_9; -.
DR   OMA; HRQEITR; -.
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   InterPro; IPR018258; Ribosomal_L21_CS.
DR   PANTHER; PTHR21349; PTHR21349; 1.
DR   Pfam; PF00829; Ribosomal_L21p; 1.
DR   SUPFAM; SSF141091; SSF141091; 1.
DR   TIGRFAMs; TIGR00061; L21; 1.
DR   PROSITE; PS01169; RIBOSOMAL_L21; 1.
PE   3: Inferred from homology;
KW   Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT   CHAIN           1..104
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000411500"
SQ   SEQUENCE   104 AA;  11155 MW;  5246D798117ECB42 CRC64;
     MSTYAIIKTG GKQVKVEVGQ AIYVEKIDAE AGAEVTFNEV VLVGGDKTVV GTPVVEGATV
     VGTVEKQGKQ KKVVTFKYKP KKGSHRKQGH RQPYTKVVIN AINA