ID   RS21_SYNP6              Reviewed;          57 AA.
AC   Q5MZL2;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 1.
DT   25-MAY-2022, entry version 85.
DE   RecName: Full=30S ribosomal protein S21 {ECO:0000255|HAMAP-Rule:MF_00358};
GN   Name=rpsU {ECO:0000255|HAMAP-Rule:MF_00358};
GN   Synonyms=rps21 {ECO:0000255|HAMAP-Rule:MF_00358};
GN   OrderedLocusNames=syc2318_c;
OS   Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis
OS   nidulans).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX   NCBI_TaxID=269084;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27144 / PCC 6301 / SAUG 1402/1;
RX   PubMed=17211581; DOI=10.1007/s11120-006-9122-4;
RA   Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M.,
RA   Kanehisa M., Omata T., Sugiura M., Sugita M.;
RT   "Complete nucleotide sequence of the freshwater unicellular cyanobacterium
RT   Synechococcus elongatus PCC 6301 chromosome: gene content and
RT   organization.";
RL   Photosyn. Res. 93:55-67(2007).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00358}.
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DR   EMBL; AP008231; BAD80508.1; -; Genomic_DNA.
DR   RefSeq; WP_011244628.1; NC_006576.1.
DR   AlphaFoldDB; Q5MZL2; -.
DR   SMR; Q5MZL2; -.
DR   STRING; 269084.syc2318_c; -.
DR   EnsemblBacteria; BAD80508; BAD80508; syc2318_c.
DR   KEGG; syc:syc2318_c; -.
DR   eggNOG; COG0828; Bacteria.
DR   OMA; FKRSCQK; -.
DR   Proteomes; UP000001175; 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   Ribonucleoprotein; Ribosomal protein.
FT   CHAIN           1..57
FT                   /note="30S ribosomal protein S21"
FT                   /id="PRO_0000178392"
FT   REGION          32..57
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        32..46
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   57 AA;  7029 MW;  B4D54ABA82993AFB CRC64;
     MAEVRLGENE TIESALRRFK KKIQKAGILP EVRRREHYEK PSQRRKRKLE ASRRRRR