ID   RL21_HELPH              Reviewed;         104 AA.
AC   Q1CUK7;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 81.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=HPAG1_0298;
OS   Helicobacter pylori (strain HPAG1).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=357544;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HPAG1;
RX   PubMed=16788065; DOI=10.1073/pnas.0603784103;
RA   Oh J.D., Kling-Baeckhed H., Giannakis M., Xu J., Fulton R.S., Fulton L.A.,
RA   Cordum H.S., Wang C., Elliott G., Edwards J., Mardis E.R., Engstrand L.G.,
RA   Gordon J.I.;
RT   "The complete genome sequence of a chronic atrophic gastritis Helicobacter
RT   pylori strain: evolution during disease progression.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:9999-10004(2006).
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; CP000241; ABF84365.1; -; Genomic_DNA.
DR   RefSeq; WP_000119320.1; NC_008086.1.
DR   AlphaFoldDB; Q1CUK7; -.
DR   SMR; Q1CUK7; -.
DR   EnsemblBacteria; ABF84365; ABF84365; HPAG1_0298.
DR   KEGG; hpa:HPAG1_0298; -.
DR   HOGENOM; CLU_061463_3_1_7; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000008835; 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   Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT   CHAIN           1..104
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270675"
SQ   SEQUENCE   104 AA;  11852 MW;  AE55C5C0AF7214F6 CRC64;
     MSYAIFKHGG KQYKVVEGDI VLLDKMDKEP KALVELVEVL AVSKEGKLSF GKPFVNGAKI
     EAEVINEGRG KKVITFKKRR RKDSKTKRGF RRDFTRVRIT KIVA