ID   RL21_LEPCP              Reviewed;         103 AA.
AC   B1Y282;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=Lcho_3277;
OS   Leptothrix cholodnii (strain ATCC 51168 / LMG 8142 / SP-6) (Leptothrix
OS   discophora (strain SP-6)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Leptothrix.
OX   NCBI_TaxID=395495;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51168 / LMG 8142 / SP-6;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Lykidis A., Emerson D., Richardson P.;
RT   "Complete sequence of Leptothrix cholodnii SP-6.";
RL   Submitted (MAR-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001013; ACB35535.1; -; Genomic_DNA.
DR   RefSeq; WP_012348282.1; NC_010524.1.
DR   AlphaFoldDB; B1Y282; -.
DR   SMR; B1Y282; -.
DR   STRING; 395495.Lcho_3277; -.
DR   EnsemblBacteria; ACB35535; ACB35535; Lcho_3277.
DR   KEGG; lch:Lcho_3277; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_4; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000001693; 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..103
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_1000143817"
SQ   SEQUENCE   103 AA;  11313 MW;  9A704CDDCCB6CD3F CRC64;
     MYAVIKTGGK QYKVAAGEKI KVEQIAAEVG QEIVIDQVLA LGSGADLKIG TPLVEGATVT
     ATVLAQGRHD KVRIFKMRRR KHYQKRQGHR QNFTELQISA VLG