ID   RS21_RHOPA              Reviewed;          87 AA.
AC   Q6N274;
DT   21-FEB-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=30S ribosomal protein S21 {ECO:0000255|HAMAP-Rule:MF_00358};
DE   AltName: Full=RRP-S21;
GN   Name=rpsU {ECO:0000255|HAMAP-Rule:MF_00358}; OrderedLocusNames=RPA4176;
OS   Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=258594;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=14704707; DOI=10.1038/nbt923;
RA   Larimer F.W., Chain P., Hauser L., Lamerdin J.E., Malfatti S., Do L.,
RA   Land M.L., Pelletier D.A., Beatty J.T., Lang A.S., Tabita F.R.,
RA   Gibson J.L., Hanson T.E., Bobst C., Torres y Torres J.L., Peres C.,
RA   Harrison F.H., Gibson J., Harwood C.S.;
RT   "Complete genome sequence of the metabolically versatile photosynthetic
RT   bacterium Rhodopseudomonas palustris.";
RL   Nat. Biotechnol. 22:55-61(2004).
RN   [2]
RP   MASS SPECTROMETRY.
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=15473684; DOI=10.1021/pr049940z;
RA   Strader M.B., VerBerkmoes N.C., Tabb D.L., Connelly H.M., Barton J.W.,
RA   Bruce B.D., Pelletier D.A., Davison B.H., Hettich R.L., Larimer F.W.,
RA   Hurst G.B.;
RT   "Characterization of the 70S ribosome from Rhodopseudomonas palustris using
RT   an integrated 'top-down' and 'bottom-up' mass spectrometric approach.";
RL   J. Proteome Res. 3:965-978(2004).
CC   -!- MASS SPECTROMETRY: Mass=10062.7; Method=Electrospray;
CC       Evidence={ECO:0000269|PubMed:15473684};
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00358}.
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DR   EMBL; BX572606; CAE29617.1; -; Genomic_DNA.
DR   RefSeq; WP_011159711.1; NC_005296.1.
DR   AlphaFoldDB; Q6N274; -.
DR   SMR; Q6N274; -.
DR   IntAct; Q6N274; 1.
DR   STRING; 258594.RPA4176; -.
DR   PRIDE; Q6N274; -.
DR   EnsemblBacteria; CAE29617; CAE29617; RPA4176.
DR   GeneID; 66895301; -.
DR   KEGG; rpa:RPA4176; -.
DR   eggNOG; COG0828; Bacteria.
DR   HOGENOM; CLU_159258_0_0_5; -.
DR   OMA; RGYYEKP; -.
DR   PhylomeDB; Q6N274; -.
DR   BioCyc; RPAL258594:TX73_RS21310-MON; -.
DR   Proteomes; UP000001426; 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   TIGRFAMs; TIGR00030; S21p; 1.
DR   PROSITE; PS01181; RIBOSOMAL_S21; 1.
PE   1: Evidence at protein level;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein.
FT   CHAIN           1..87
FT                   /note="30S ribosomal protein S21"
FT                   /id="PRO_0000224168"
FT   REGION          35..87
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        35..53
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   87 AA;  10064 MW;  22D036D707277D7B CRC64;
     MQVLVRDNNV DQALKALKKK MQREGIFREM KLRGHYEKPS EKKAREKAEA VRRARKLARK
     KLQREGLLPS KPKPAFGADR RPSAAAR