ID   RS21_LACLA              Reviewed;          58 AA.
AC   Q9CIW6;
DT   04-MAY-2001, integrated into UniProtKB/Swiss-Prot.
DT   04-MAY-2001, sequence version 1.
DT   25-MAY-2022, entry version 96.
DE   RecName: Full=30S ribosomal protein S21;
GN   Name=rpsU; OrderedLocusNames=LL0240; ORFNames=L0398;
OS   Lactococcus lactis subsp. lactis (strain IL1403) (Streptococcus lactis).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Lactococcus.
OX   NCBI_TaxID=272623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IL1403;
RX   PubMed=11337471; DOI=10.1101/gr.gr-1697r;
RA   Bolotin A., Wincker P., Mauger S., Jaillon O., Malarme K., Weissenbach J.,
RA   Ehrlich S.D., Sorokin A.;
RT   "The complete genome sequence of the lactic acid bacterium Lactococcus
RT   lactis ssp. lactis IL1403.";
RL   Genome Res. 11:731-753(2001).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000305}.
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DR   EMBL; AE005176; AAK04338.1; -; Genomic_DNA.
DR   PIR; H86654; H86654.
DR   RefSeq; NP_266396.1; NC_002662.1.
DR   RefSeq; WP_003129844.1; NC_002662.1.
DR   AlphaFoldDB; Q9CIW6; -.
DR   SMR; Q9CIW6; -.
DR   STRING; 272623.L0398; -.
DR   PaxDb; Q9CIW6; -.
DR   EnsemblBacteria; AAK04338; AAK04338; L0398.
DR   GeneID; 60355311; -.
DR   GeneID; 61108555; -.
DR   GeneID; 66441204; -.
DR   KEGG; lla:L0398; -.
DR   PATRIC; fig|272623.7.peg.264; -.
DR   eggNOG; COG0828; Bacteria.
DR   HOGENOM; CLU_159258_3_2_9; -.
DR   OMA; FKRSCQK; -.
DR   Proteomes; UP000002196; 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_0000178345"
FT   REGION          27..58
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        27..46
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   58 AA;  7018 MW;  B4497739697F4FC5 CRC64;
     MSKTLVRKNE SLDDALRRFK RSVTKAGTLQ ELRKREHYEK PSVKRKRKSE AARKRKKY