ID   RL21_RUEST              Reviewed;         198 AA.
AC   Q1GHD3;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   27-JUN-2006, 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=TM1040_1200;
OS   Ruegeria sp. (strain TM1040) (Silicibacter sp.).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Roseobacteraceae; Ruegeria; unclassified Ruegeria.
OX   NCBI_TaxID=292414;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TM1040;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Brettin T., Bruce D., Han C., Tapia R., Goodwin L., Thompson L.S.,
RA   Gilna P., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Belas R., Moran M.A., Buchan A., Gonzalez J.M., Schell M.A., Sun F.,
RA   Richardson P.;
RT   "Complete sequence of chromosome of Silicibacter sp. TM1040.";
RL   Submitted (MAY-2006) 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; CP000377; ABF63933.1; -; Genomic_DNA.
DR   RefSeq; WP_011538540.1; NC_008044.1.
DR   AlphaFoldDB; Q1GHD3; -.
DR   SMR; Q1GHD3; -.
DR   STRING; 292414.TM1040_1200; -.
DR   EnsemblBacteria; ABF63933; ABF63933; TM1040_1200.
DR   KEGG; sit:TM1040_1200; -.
DR   eggNOG; COG0261; Bacteria.
DR   eggNOG; COG3743; Bacteria.
DR   HOGENOM; CLU_061463_1_0_5; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000000636; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProt.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0000166; F:nucleotide binding; IEA:InterPro.
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; IPR010995; DNA_repair_Rad51/TF_NusA_a-hlx.
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   SUPFAM; SSF47794; SSF47794; 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..198
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270736"
SQ   SEQUENCE   198 AA;  20281 MW;  3A5561069942BC17 CRC64;
     MFAVLKTGGK QYKVQAGDML RVEKLAADAG ETVQFNDVLM IGGDAPVVGA PFVSGAAVQA
     EVVEQIKGDK VIKFVKRRRK HSSKRTVGHR QKLTLVKITE ILASGADASG VKAATGKGEA
     APAAKAAPKA KAAAPAAAGS DDLTQLTGVG PAAAKKLEAA GLTTFAQIAA LSEDDIAGID
     AIKIKPEWVE QAKELAQG