ID   RS21A_NOSS1             Reviewed;          62 AA.
AC   P0A4B7; P49224;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=30S ribosomal protein S21 A;
GN   Name=rpsU1; Synonyms=rps21; OrderedLocusNames=asr0742;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000305}.
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DR   EMBL; BA000019; BAB72699.1; -; Genomic_DNA.
DR   PIR; AD1899; AD1899.
DR   RefSeq; WP_010994916.1; NZ_RSCN01000006.1.
DR   AlphaFoldDB; P0A4B7; -.
DR   SMR; P0A4B7; -.
DR   STRING; 103690.17130087; -.
DR   EnsemblBacteria; BAB72699; BAB72699; BAB72699.
DR   GeneID; 58722216; -.
DR   KEGG; ana:asr0742; -.
DR   eggNOG; COG0828; Bacteria.
DR   OMA; KNRYFET; -.
DR   OrthoDB; 2088764at2; -.
DR   Proteomes; UP000002483; 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..62
FT                   /note="30S ribosomal protein S21 A"
FT                   /id="PRO_0000178286"
FT   REGION          43..62
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        47..62
FT                   /note="Basic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   62 AA;  7531 MW;  A924296DDFC7C720 CRC64;
     MTQIVVGENE HIESALRRFK REVSKAGIFQ DMRKHRHFET PIEKSKRKKL ALHKQSKRRF
     RT