ID   RL21_HYDS0              Reviewed;          96 AA.
AC   B4U6N3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363};
GN   OrderedLocusNames=HY04AAS1_0109;
OS   Hydrogenobaculum sp. (strain Y04AAS1).
OC   Bacteria; Aquificae; Aquificales; Aquificaceae; Hydrogenobaculum;
OC   unclassified Hydrogenobaculum.
OX   NCBI_TaxID=380749;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Y04AAS1;
RX   PubMed=19136599; DOI=10.1128/jb.01645-08;
RA   Reysenbach A.-L., Hamamura N., Podar M., Griffiths E., Ferreira S.,
RA   Hochstein R., Heidelberg J., Johnson J., Mead D., Pohorille A.,
RA   Sarmiento M., Schweighofer K., Seshadri R., Voytek M.A.;
RT   "Complete and draft genome sequences of six members of the Aquificales.";
RL   J. Bacteriol. 191:1992-1993(2009).
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; CP001130; ACG56801.1; -; Genomic_DNA.
DR   RefSeq; WP_012513158.1; NC_011126.1.
DR   AlphaFoldDB; B4U6N3; -.
DR   SMR; B4U6N3; -.
DR   STRING; 380749.HY04AAS1_0109; -.
DR   EnsemblBacteria; ACG56801; ACG56801; HY04AAS1_0109.
DR   KEGG; hya:HY04AAS1_0109; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_0; -.
DR   OrthoDB; 1949059at2; -.
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   Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT   CHAIN           1..96
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_1000143810"
SQ   SEQUENCE   96 AA;  10809 MW;  40FE85702322764F CRC64;
     MYAVIETGSK QYLVKEGDVL KVEKLPFGEN EEIELPALNI VKDGTVKFGG KVKAKVLSTA
     KDKKVLIFKH LPKKHSKKLR GHRQFYTKIS ILSIGE