ID   RS21_DICDI              Reviewed;          78 AA.
AC   Q54BN4;
DT   08-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-MAY-2005, sequence version 1.
DT   25-MAY-2022, entry version 88.
DE   RecName: Full=40S ribosomal protein S21;
GN   Name=rps21; ORFNames=DDB_G0293700;
OS   Dictyostelium discoideum (Slime mold).
OC   Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales;
OC   Dictyosteliaceae; Dictyostelium.
OX   NCBI_TaxID=44689;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AX4;
RX   PubMed=15875012; DOI=10.1038/nature03481;
RA   Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R.,
RA   Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B.,
RA   Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T.,
RA   Lehmann R., Hamlin N., Davies R., Gaudet P., Fey P., Pilcher K., Chen G.,
RA   Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N.,
RA   Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E.,
RA   Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N.,
RA   Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D.,
RA   Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T.,
RA   Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D.,
RA   Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A.,
RA   Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M.,
RA   Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A.,
RA   Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y.,
RA   Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C.,
RA   Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R.,
RA   Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.;
RT   "The genome of the social amoeba Dictyostelium discoideum.";
RL   Nature 435:43-57(2005).
CC   -!- SIMILARITY: Belongs to the eukaryotic ribosomal protein eS21 family.
CC       {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AAFI02000218; EAL60662.1; -; Genomic_DNA.
DR   RefSeq; XP_628995.1; XM_628993.2.
DR   AlphaFoldDB; Q54BN4; -.
DR   SMR; Q54BN4; -.
DR   STRING; 44689.DDB0231061; -.
DR   PaxDb; Q54BN4; -.
DR   EnsemblProtists; EAL60662; EAL60662; DDB_G0293700.
DR   GeneID; 8629279; -.
DR   KEGG; ddi:DDB_G0293700; -.
DR   dictyBase; DDB_G0293700; rps21.
DR   eggNOG; KOG3486; Eukaryota.
DR   HOGENOM; CLU_167122_2_0_1; -.
DR   InParanoid; Q54BN4; -.
DR   OMA; ALCGYIR; -.
DR   PhylomeDB; Q54BN4; -.
DR   Reactome; R-DDI-156827; L13a-mediated translational silencing of Ceruloplasmin expression.
DR   Reactome; R-DDI-1799339; SRP-dependent cotranslational protein targeting to membrane.
DR   Reactome; R-DDI-6791226; Major pathway of rRNA processing in the nucleolus and cytosol.
DR   Reactome; R-DDI-72689; Formation of a pool of free 40S subunits.
DR   Reactome; R-DDI-72695; Formation of the ternary complex, and subsequently, the 43S complex.
DR   Reactome; R-DDI-72702; Ribosomal scanning and start codon recognition.
DR   Reactome; R-DDI-72706; GTP hydrolysis and joining of the 60S ribosomal subunit.
DR   Reactome; R-DDI-975956; Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC).
DR   Reactome; R-DDI-975957; Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC).
DR   PRO; PR:Q54BN4; -.
DR   Proteomes; UP000002195; Chromosome 6.
DR   GO; GO:0022627; C:cytosolic small ribosomal subunit; IBA:GO_Central.
DR   GO; GO:0003735; F:structural constituent of ribosome; IBA:GO_Central.
DR   GO; GO:0000447; P:endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA); IBA:GO_Central.
DR   GO; GO:0000461; P:endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA); IBA:GO_Central.
DR   GO; GO:0006412; P:translation; IEA:InterPro.
DR   Gene3D; 3.30.1230.20; -; 1.
DR   InterPro; IPR001931; Ribosomal_S21e.
DR   InterPro; IPR038579; Ribosomal_S21e_sf.
DR   PANTHER; PTHR10442; PTHR10442; 1.
DR   Pfam; PF01249; Ribosomal_S21e; 1.
DR   PIRSF; PIRSF002148; Ribosomal_S21e; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein.
FT   CHAIN           1..78
FT                   /note="40S ribosomal protein S21"
FT                   /id="PRO_0000328056"
SQ   SEQUENCE   78 AA;  8634 MW;  5D35B88A3588BC1E CRC64;
     MDSKNVELYT PRKCSATNRL ITAKDHASVQ INIGHVNAEG IYNGEQTIFA FCGFLRNNGQ
     SDAALNRLAQ QKGFLKSF