ID   RL21_STRMK              Reviewed;         102 AA.
AC   B2FTD1;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=Smlt1278;
OS   Stenotrophomonas maltophilia (strain K279a).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Stenotrophomonas; Stenotrophomonas maltophilia group.
OX   NCBI_TaxID=522373;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K279a;
RX   PubMed=18419807; DOI=10.1186/gb-2008-9-4-r74;
RA   Crossman L.C., Gould V.C., Dow J.M., Vernikos G.S., Okazaki A.,
RA   Sebaihia M., Saunders D., Arrowsmith C., Carver T., Peters N., Adlem E.,
RA   Kerhornou A., Lord A., Murphy L., Seeger K., Squares R., Rutter S.,
RA   Quail M.A., Rajandream M.A., Harris D., Churcher C., Bentley S.D.,
RA   Parkhill J., Thomson N.R., Avison M.B.;
RT   "The complete genome, comparative and functional analysis of
RT   Stenotrophomonas maltophilia reveals an organism heavily shielded by drug
RT   resistance determinants.";
RL   Genome Biol. 9:R74.1-R74.13(2008).
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; AM743169; CAQ44828.1; -; Genomic_DNA.
DR   RefSeq; WP_005408557.1; NC_010943.1.
DR   AlphaFoldDB; B2FTD1; -.
DR   SMR; B2FTD1; -.
DR   STRING; 522373.Smlt1278; -.
DR   EnsemblBacteria; CAQ44828; CAQ44828; Smlt1278.
DR   GeneID; 61465190; -.
DR   KEGG; sml:Smlt1278; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_1_6; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000008840; 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   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   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..102
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_1000143856"
SQ   SEQUENCE   102 AA;  11441 MW;  76902AE8EDDFEEE7 CRC64;
     MYAVLVTGGK QYRVAQGEKL RIEKLEVEVG SEIKFDNILM LGDSDGVKLG DALKGAAVTA
     KVLSQGRADK VRIIKFRRRK HHMKRQGHRQ YYTEIEITGI AG