ID   RS21_BUCBP              Reviewed;          71 AA.
AC   Q89B08;
DT   23-MAY-2003, integrated into UniProtKB/Swiss-Prot.
DT   23-MAY-2003, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=30S ribosomal protein S21 {ECO:0000255|HAMAP-Rule:MF_00358};
GN   Name=rpsU {ECO:0000255|HAMAP-Rule:MF_00358}; OrderedLocusNames=bbp_054;
OS   Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=224915;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Bp;
RX   PubMed=12522265; DOI=10.1073/pnas.0235981100;
RA   van Ham R.C.H.J., Kamerbeek J., Palacios C., Rausell C., Abascal F.,
RA   Bastolla U., Fernandez J.M., Jimenez L., Postigo M., Silva F.J.,
RA   Tamames J., Viguera E., Latorre A., Valencia A., Moran F., Moya A.;
RT   "Reductive genome evolution in Buchnera aphidicola.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:581-586(2003).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00358}.
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DR   EMBL; AE016826; AAO26793.1; -; Genomic_DNA.
DR   RefSeq; WP_011091194.1; NC_004545.1.
DR   AlphaFoldDB; Q89B08; -.
DR   SMR; Q89B08; -.
DR   STRING; 224915.bbp_054; -.
DR   EnsemblBacteria; AAO26793; AAO26793; bbp_054.
DR   GeneID; 56470598; -.
DR   KEGG; bab:bbp_054; -.
DR   eggNOG; COG0828; Bacteria.
DR   HOGENOM; CLU_159258_1_0_6; -.
DR   OMA; FKRSCQK; -.
DR   OrthoDB; 2088764at2; -.
DR   Proteomes; UP000000601; 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   Reference proteome; Ribonucleoprotein; Ribosomal protein.
FT   CHAIN           1..71
FT                   /note="30S ribosomal protein S21"
FT                   /id="PRO_0000178314"
SQ   SEQUENCE   71 AA;  8606 MW;  8D8E855F2B85DF71 CRC64;
     MPIIKVRDNE PFDVALRRFK RSCEKAGILS EIRRREFYEK PTTERKRAKA SAIKRLTKKL
     SRENLKRIRL Y