ID   RS21_LACAC              Reviewed;          58 AA.
AC   Q5FJT3;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=30S ribosomal protein S21 {ECO:0000255|HAMAP-Rule:MF_00358};
GN   Name=rpsU {ECO:0000255|HAMAP-Rule:MF_00358}; OrderedLocusNames=LBA1205;
OS   Lactobacillus acidophilus (strain ATCC 700396 / NCK56 / N2 / NCFM).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=272621;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700396 / NCK56 / N2 / NCFM;
RX   PubMed=15671160; DOI=10.1073/pnas.0409188102;
RA   Altermann E., Russell W.M., Azcarate-Peril M.A., Barrangou R., Buck B.L.,
RA   McAuliffe O., Souther N., Dobson A., Duong T., Callanan M., Lick S.,
RA   Hamrick A., Cano R., Klaenhammer T.R.;
RT   "Complete genome sequence of the probiotic lactic acid bacterium
RT   Lactobacillus acidophilus NCFM.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:3906-3912(2005).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00358}.
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DR   EMBL; CP000033; AAV43041.1; -; Genomic_DNA.
DR   RefSeq; WP_002880182.1; NC_006814.3.
DR   RefSeq; YP_194072.1; NC_006814.3.
DR   AlphaFoldDB; Q5FJT3; -.
DR   SMR; Q5FJT3; -.
DR   STRING; 272621.LBA1205; -.
DR   PRIDE; Q5FJT3; -.
DR   EnsemblBacteria; AAV43041; AAV43041; LBA1205.
DR   GeneID; 61319839; -.
DR   GeneID; 66540720; -.
DR   KEGG; lac:LBA1205; -.
DR   PATRIC; fig|272621.13.peg.1143; -.
DR   eggNOG; COG0828; Bacteria.
DR   HOGENOM; CLU_159258_3_2_9; -.
DR   OMA; FKRSCQK; -.
DR   BioCyc; LACI272621:G1G49-1192-MON; -.
DR   PRO; PR:Q5FJT3; -.
DR   Proteomes; UP000006381; 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_0000266693"
SQ   SEQUENCE   58 AA;  7096 MW;  6C70C6B77BB2559A CRC64;
     MAKTIVHENE SIDDALRRFK RSVSRSGTLQ EYRKREFYEK PSVRRKLKSE AARKRRHY