ID   RL21_BACTN              Reviewed;         105 AA.
AC   Q89ZR2;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=BT_4314;
OS   Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 /
OS   CCUG 10774 / NCTC 10582 / VPI-5482 / E50).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC   Bacteroides.
OX   NCBI_TaxID=226186;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 /
RC   VPI-5482 / E50;
RX   PubMed=12663928; DOI=10.1126/science.1080029;
RA   Xu J., Bjursell M.K., Himrod J., Deng S., Carmichael L.K., Chiang H.C.,
RA   Hooper L.V., Gordon J.I.;
RT   "A genomic view of the human-Bacteroides thetaiotaomicron symbiosis.";
RL   Science 299:2074-2076(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; AE015928; AAO79419.1; -; Genomic_DNA.
DR   RefSeq; NP_813225.1; NC_004663.1.
DR   RefSeq; WP_008759984.1; NZ_UYXG01000010.1.
DR   AlphaFoldDB; Q89ZR2; -.
DR   SMR; Q89ZR2; -.
DR   STRING; 226186.BT_4314; -.
DR   PaxDb; Q89ZR2; -.
DR   PRIDE; Q89ZR2; -.
DR   EnsemblBacteria; AAO79419; AAO79419; BT_4314.
DR   GeneID; 60925492; -.
DR   KEGG; bth:BT_4314; -.
DR   PATRIC; fig|226186.12.peg.4390; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_10; -.
DR   InParanoid; Q89ZR2; -.
DR   OMA; HRQEITR; -.
DR   Proteomes; UP000001414; 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; IBA:GO_Central.
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..105
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270636"
SQ   SEQUENCE   105 AA;  11634 MW;  85414D1C882EE8F7 CRC64;
     MYAIVEINGQ QFKAEAGQKL FVHHIEGAEN GSTVEFEKVL LVDKDGNVTV GAPTVEGAKV
     VCQVISNLVK GDKVLVFHKK RRKGYRKLNG HRQQFTELTI TEVVA