ID   RL21_CALS4              Reviewed;         104 AA.
AC   Q8RBA9;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, 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=TTE0913;
OS   Caldanaerobacter subterraneus subsp. tengcongensis (strain DSM 15242 / JCM
OS   11007 / NBRC 100824 / MB4) (Thermoanaerobacter tengcongensis).
OC   Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC   Thermoanaerobacteraceae; Caldanaerobacter.
OX   NCBI_TaxID=273068;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 15242 / JCM 11007 / NBRC 100824 / MB4;
RX   PubMed=11997336; DOI=10.1101/gr.219302;
RA   Bao Q., Tian Y., Li W., Xu Z., Xuan Z., Hu S., Dong W., Yang J., Chen Y.,
RA   Xue Y., Xu Y., Lai X., Huang L., Dong X., Ma Y., Ling L., Tan H., Chen R.,
RA   Wang J., Yu J., Yang H.;
RT   "A complete sequence of the T. tengcongensis genome.";
RL   Genome Res. 12:689-700(2002).
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; AE008691; AAM24169.1; -; Genomic_DNA.
DR   RefSeq; WP_011025289.1; NC_003869.1.
DR   AlphaFoldDB; Q8RBA9; -.
DR   SMR; Q8RBA9; -.
DR   STRING; 273068.TTE0913; -.
DR   EnsemblBacteria; AAM24169; AAM24169; TTE0913.
DR   KEGG; tte:TTE0913; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_9; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000000555; 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..104
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000269414"
SQ   SEQUENCE   104 AA;  12096 MW;  47462B26FD715AF7 CRC64;
     MYAIIETGGK QYMVREGDVL KVEKLNYPEG EVIALDKVLA VSFEDGNVEF GKPYLENVKV
     TAKVLEHGKG PKIRVFKYKP KKNYRRRQGH RQPYTKIQIE KIEK