ID   RS21_HELPJ              Reviewed;          70 AA.
AC   Q9ZLR9;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   25-MAY-2022, entry version 106.
DE   RecName: Full=30S ribosomal protein S21;
GN   Name=rpsU; OrderedLocusNames=jhp_0509;
OS   Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85963;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=J99 / ATCC 700824;
RX   PubMed=9923682; DOI=10.1038/16495;
RA   Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA   Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA   Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA   Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT   "Genomic sequence comparison of two unrelated isolates of the human gastric
RT   pathogen Helicobacter pylori.";
RL   Nature 397:176-180(1999).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000305}.
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DR   EMBL; AE001439; AAD06085.1; -; Genomic_DNA.
DR   PIR; C71923; C71923.
DR   RefSeq; WP_001117774.1; NC_000921.1.
DR   AlphaFoldDB; Q9ZLR9; -.
DR   SMR; Q9ZLR9; -.
DR   STRING; 85963.jhp_0509; -.
DR   EnsemblBacteria; AAD06085; AAD06085; jhp_0509.
DR   KEGG; hpj:jhp_0509; -.
DR   eggNOG; COG0828; Bacteria.
DR   OMA; LYMMRRY; -.
DR   Proteomes; UP000000804; Chromosome.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.20.5.1150; -; 1.
DR   HAMAP; MF_00358; Ribosomal_S21; 1.
DR   InterPro; IPR001911; Ribosomal_S21.
DR   InterPro; IPR018278; Ribosomal_S21_CS.
DR   InterPro; IPR038380; S21_sf.
DR   PANTHER; PTHR21109; PTHR21109; 1.
DR   Pfam; PF01165; Ribosomal_S21; 1.
DR   PRINTS; PR00976; RIBOSOMALS21.
DR   TIGRFAMs; TIGR00030; S21p; 1.
DR   PROSITE; PS01181; RIBOSOMAL_S21; 1.
PE   3: Inferred from homology;
KW   Ribonucleoprotein; Ribosomal protein.
FT   CHAIN           1..70
FT                   /note="30S ribosomal protein S21"
FT                   /id="PRO_0000178342"
SQ   SEQUENCE   70 AA;  8614 MW;  B1DA8696B1A03B7B CRC64;
     MPGIKVREGD AFDEAYRRFK KQTDRNLVVT ECRARRFFES KTEKRKKQKI SAKKEVLKRL
     YMLRRYESRL