ID   RL21_CLOBH              Reviewed;         104 AA.
AC   A5I669; A7G7F2;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363};
GN   OrderedLocusNames=CBO2989, CLC_2886;
OS   Clostridium botulinum (strain Hall / ATCC 3502 / NCTC 13319 / Type A).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=441771;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Hall / ATCC 3502 / NCTC 13319 / Type A;
RX   PubMed=17519437; DOI=10.1101/gr.6282807;
RA   Sebaihia M., Peck M.W., Minton N.P., Thomson N.R., Holden M.T.G.,
RA   Mitchell W.J., Carter A.T., Bentley S.D., Mason D.R., Crossman L.,
RA   Paul C.J., Ivens A., Wells-Bennik M.H.J., Davis I.J., Cerdeno-Tarraga A.M.,
RA   Churcher C., Quail M.A., Chillingworth T., Feltwell T., Fraser A.,
RA   Goodhead I., Hance Z., Jagels K., Larke N., Maddison M., Moule S.,
RA   Mungall K., Norbertczak H., Rabbinowitsch E., Sanders M., Simmonds M.,
RA   White B., Whithead S., Parkhill J.;
RT   "Genome sequence of a proteolytic (Group I) Clostridium botulinum strain
RT   Hall A and comparative analysis of the clostridial genomes.";
RL   Genome Res. 17:1082-1092(2007).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Hall / ATCC 3502 / NCTC 13319 / Type A;
RX   PubMed=18060065; DOI=10.1371/journal.pone.0001271;
RA   Smith T.J., Hill K.K., Foley B.T., Detter J.C., Munk A.C., Bruce D.C.,
RA   Doggett N.A., Smith L.A., Marks J.D., Xie G., Brettin T.S.;
RT   "Analysis of the neurotoxin complex genes in Clostridium botulinum A1-A4
RT   and B1 strains: BoNT/A3, /Ba4 and /B1 clusters are located within
RT   plasmids.";
RL   PLoS ONE 2:E1271-E1271(2007).
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; CP000727; ABS37132.1; -; Genomic_DNA.
DR   EMBL; AM412317; CAL84551.1; -; Genomic_DNA.
DR   RefSeq; WP_012048023.1; NC_009698.1.
DR   RefSeq; YP_001255481.1; NC_009495.1.
DR   RefSeq; YP_001388717.1; NC_009698.1.
DR   AlphaFoldDB; A5I669; -.
DR   SMR; A5I669; -.
DR   GeneID; 5185871; -.
DR   KEGG; cbh:CLC_2886; -.
DR   KEGG; cbo:CBO2989; -.
DR   PATRIC; fig|413999.7.peg.2967; -.
DR   HOGENOM; CLU_061463_3_2_9; -.
DR   OMA; HRQEITR; -.
DR   PRO; PR:A5I669; -.
DR   Proteomes; UP000001986; 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   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_1000067824"
SQ   SEQUENCE   104 AA;  11479 MW;  2BD584E466D10E70 CRC64;
     MYAVVVTGGK QYKVAEGDIL FVEKLTADVD STVELDNVLL VGKDNGETVV GKPMVEGAKV
     TAKVLAQGKA KKVVVFKYKP KKDYRKKQGH RQPYTKIQIE KINA