ID   RS21_SULMW              Reviewed;          64 AA.
AC   A8Z629;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 1.
DT   25-MAY-2022, entry version 69.
DE   RecName: Full=30S ribosomal protein S21 {ECO:0000255|HAMAP-Rule:MF_00358};
GN   Name=rpsU {ECO:0000255|HAMAP-Rule:MF_00358}; OrderedLocusNames=SMGWSS_179;
OS   Sulcia muelleri (strain GWSS).
OC   Bacteria; Bacteroidetes; Flavobacteriia; Flavobacteriales;
OC   Candidatus Sulcia.
OX   NCBI_TaxID=444179;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=GWSS;
RX   PubMed=18048332; DOI=10.1073/pnas.0708855104;
RA   McCutcheon J.P., Moran N.A.;
RT   "Parallel genomic evolution and metabolic interdependence in an ancient
RT   symbiosis.";
RL   Proc. Natl. Acad. Sci. U.S.A. 104:19392-19397(2007).
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00358}.
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DR   EMBL; CP000770; ABS30580.1; -; Genomic_DNA.
DR   AlphaFoldDB; A8Z629; -.
DR   SMR; A8Z629; -.
DR   STRING; 444179.SMGWSS_179; -.
DR   EnsemblBacteria; ABS30580; ABS30580; SMGWSS_179.
DR   KEGG; smg:SMGWSS_179; -.
DR   HOGENOM; CLU_159258_2_1_10; -.
DR   OMA; RQQFTKP; -.
DR   Proteomes; UP000000781; 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; IPR038380; S21_sf.
DR   Pfam; PF01165; Ribosomal_S21; 1.
DR   PRINTS; PR00976; RIBOSOMALS21.
DR   TIGRFAMs; TIGR00030; S21p; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein.
FT   CHAIN           1..64
FT                   /note="30S ribosomal protein S21"
FT                   /id="PRO_1000079427"
SQ   SEQUENCE   64 AA;  7953 MW;  74A16F7EAE1D6302 CRC64;
     MKLIIYVKEG ESIDRVLKKW KQKFDKARII RKLRERQQYI KPSERKRKIL TKAKYREFLI
     SKNS