ID   RL21_SALTO              Reviewed;         104 AA.
AC   A4XAG3;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 80.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=Strop_3481;
OS   Salinispora tropica (strain ATCC BAA-916 / DSM 44818 / CNB-440).
OC   Bacteria; Actinobacteria; Micromonosporales; Micromonosporaceae;
OC   Salinispora.
OX   NCBI_TaxID=369723;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-916 / DSM 44818 / CNB-440;
RX   PubMed=17563368; DOI=10.1073/pnas.0700962104;
RA   Udwary D.W., Zeigler L., Asolkar R.N., Singan V., Lapidus A., Fenical W.,
RA   Jensen P.R., Moore B.S.;
RT   "Genome sequencing reveals complex secondary metabolome in the marine
RT   actinomycete Salinispora tropica.";
RL   Proc. Natl. Acad. Sci. U.S.A. 104:10376-10381(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; CP000667; ABP55912.1; -; Genomic_DNA.
DR   RefSeq; WP_012014687.1; NC_009380.1.
DR   AlphaFoldDB; A4XAG3; -.
DR   SMR; A4XAG3; -.
DR   STRING; 369723.Strop_3481; -.
DR   EnsemblBacteria; ABP55912; ABP55912; Strop_3481.
DR   KEGG; stp:Strop_3481; -.
DR   PATRIC; fig|369723.5.peg.3591; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_11; -.
DR   OMA; HRQEITR; -.
DR   Proteomes; UP000000235; 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_1000086997"
SQ   SEQUENCE   104 AA;  11076 MW;  348B637266A85E21 CRC64;
     MYAIVKTGGK QYKVAEGDVI EVEKLAGTPG DAVQLAAVLL VDGDDLVTDA AKLAKVEVSG
     EIAAHTKGPK IRIHKFKNKT GYHKRQGHRQ PLTQVKVTGI SSGK