ID   RS21_STRMU              Reviewed;          58 AA.
AC   P66531; Q9A0H1;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2004, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=30S ribosomal protein S21 {ECO:0000255|HAMAP-Rule:MF_00358};
GN   Name=rpsU {ECO:0000255|HAMAP-Rule:MF_00358}; OrderedLocusNames=SMU_818;
OS   Streptococcus mutans serotype c (strain ATCC 700610 / UA159).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=210007;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700610 / UA159;
RX   PubMed=12397186; DOI=10.1073/pnas.172501299;
RA   Ajdic D.J., McShan W.M., McLaughlin R.E., Savic G., Chang J., Carson M.B.,
RA   Primeaux C., Tian R., Kenton S., Jia H.G., Lin S.P., Qian Y., Li S.,
RA   Zhu H., Najar F.Z., Lai H., White J., Roe B.A., Ferretti J.J.;
RT   "Genome sequence of Streptococcus mutans UA159, a cariogenic dental
RT   pathogen.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:14434-14439(2002).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00358}.
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DR   EMBL; AE014133; AAN58534.1; -; Genomic_DNA.
DR   RefSeq; NP_721228.1; NC_004350.2.
DR   RefSeq; WP_000048058.1; NC_004350.2.
DR   AlphaFoldDB; P66531; -.
DR   SMR; P66531; -.
DR   STRING; 210007.SMU_818; -.
DR   PRIDE; P66531; -.
DR   EnsemblBacteria; AAN58534; AAN58534; SMU_818.
DR   GeneID; 64011239; -.
DR   GeneID; 66900602; -.
DR   KEGG; smu:SMU_818; -.
DR   PATRIC; fig|210007.7.peg.725; -.
DR   eggNOG; COG0828; Bacteria.
DR   HOGENOM; CLU_159258_3_2_9; -.
DR   OMA; FKRSCQK; -.
DR   PhylomeDB; P66531; -.
DR   PRO; PR:P66531; -.
DR   Proteomes; UP000002512; 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..58
FT                   /note="30S ribosomal protein S21"
FT                   /id="PRO_0000178389"
FT   REGION          36..58
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   58 AA;  6972 MW;  ECC369C8866499BE CRC64;
     MSKTVVRKNE SLDDALRRFK RSVTKAGTLQ ESRKREFYEK PSVKRKRKSE AARKRKKF