ID   RS3_PROMP               Reviewed;         243 AA.
AC   Q7UZV2;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 97.
DE   RecName: Full=30S ribosomal protein S3 {ECO:0000255|HAMAP-Rule:MF_01309};
GN   Name=rpsC {ECO:0000255|HAMAP-Rule:MF_01309};
GN   Synonyms=rps3 {ECO:0000255|HAMAP-Rule:MF_01309}; OrderedLocusNames=PMM1552;
OS   Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 /
OS   MED4).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59919;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCMP1986 / NIES-2087 / MED4;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(2003).
CC   -!- FUNCTION: Binds the lower part of the 30S subunit head. Binds mRNA in
CC       the 70S ribosome, positioning it for translation. {ECO:0000255|HAMAP-
CC       Rule:MF_01309}.
CC   -!- SUBUNIT: Part of the 30S ribosomal subunit. Forms a tight complex with
CC       proteins S10 and S14. {ECO:0000255|HAMAP-Rule:MF_01309}.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uS3 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01309}.
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DR   EMBL; BX548174; CAE20011.1; -; Genomic_DNA.
DR   RefSeq; WP_011133180.1; NC_005072.1.
DR   AlphaFoldDB; Q7UZV2; -.
DR   SMR; Q7UZV2; -.
DR   STRING; 59919.PMM1552; -.
DR   EnsemblBacteria; CAE20011; CAE20011; PMM1552.
DR   KEGG; pmm:PMM1552; -.
DR   eggNOG; COG0092; Bacteria.
DR   HOGENOM; CLU_058591_0_2_3; -.
DR   OMA; KTNPIGN; -.
DR   OrthoDB; 1132353at2; -.
DR   Proteomes; UP000001026; Chromosome.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0003729; F:mRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.1140.32; -; 1.
DR   Gene3D; 3.30.300.20; -; 1.
DR   HAMAP; MF_01309_B; Ribosomal_S3_B; 1.
DR   InterPro; IPR004087; KH_dom.
DR   InterPro; IPR015946; KH_dom-like_a/b.
DR   InterPro; IPR004044; KH_dom_type_2.
DR   InterPro; IPR009019; KH_sf_prok-type.
DR   InterPro; IPR005704; Ribosomal_S3_bac-typ.
DR   InterPro; IPR001351; Ribosomal_S3_C.
DR   InterPro; IPR036419; Ribosomal_S3_C_sf.
DR   InterPro; IPR018280; Ribosomal_S3_CS.
DR   Pfam; PF07650; KH_2; 1.
DR   Pfam; PF00189; Ribosomal_S3_C; 1.
DR   SMART; SM00322; KH; 1.
DR   SUPFAM; SSF54814; SSF54814; 1.
DR   SUPFAM; SSF54821; SSF54821; 1.
DR   TIGRFAMs; TIGR01009; rpsC_bact; 1.
DR   PROSITE; PS50823; KH_TYPE_2; 1.
DR   PROSITE; PS00548; RIBOSOMAL_S3; 1.
PE   3: Inferred from homology;
KW   Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT   CHAIN           1..243
FT                   /note="30S ribosomal protein S3"
FT                   /id="PRO_0000130177"
FT   DOMAIN          39..110
FT                   /note="KH type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01309"
FT   REGION          221..243
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        229..243
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   243 AA;  27466 MW;  3991E59933497FD2 CRC64;
     MGNKINPTGF RLGITQEHRS KWFATSKTYP TLLQEDDKIR TFIQKKYSSA GISDVLIARK
     ADQLELELKT ARPGVIVGRQ GSGIEELRSG IQKTIGDRTR QVRINVVEVE RVDADAYLLA
     EYIAQQLEKR VAFRRTIRMA LQRAQRAGVL GLKVQVGGRL NGAEIARTEW TREGRVPLHT
     LRAEVDYALR EANTTYGVLG IKVWVFKGEV LPKEEQTIPV GAIPRRKGSR KPQQFEDRSN
     ENS