ID   RS3_SYNY3               Reviewed;         240 AA.
AC   P73314;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   25-MAY-2022, entry version 139.
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=sll1804;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
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   -!- INTERACTION:
CC       P73314; P52231: trxA; NbExp=5; IntAct=EBI-862866, EBI-862916;
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uS3 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01309}.
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DR   EMBL; BA000022; BAA17343.1; -; Genomic_DNA.
DR   PIR; S77496; S77496.
DR   AlphaFoldDB; P73314; -.
DR   SMR; P73314; -.
DR   IntAct; P73314; 1.
DR   STRING; 1148.1652421; -.
DR   PaxDb; P73314; -.
DR   PRIDE; P73314; -.
DR   EnsemblBacteria; BAA17343; BAA17343; BAA17343.
DR   KEGG; syn:sll1804; -.
DR   eggNOG; COG0092; Bacteria.
DR   InParanoid; P73314; -.
DR   OMA; KTNPIGN; -.
DR   PhylomeDB; P73314; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0022627; C:cytosolic small ribosomal subunit; IBA:GO_Central.
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; IBA:GO_Central.
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   1: Evidence at protein level;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..240
FT                   /note="30S ribosomal protein S3"
FT                   /id="PRO_0000130220"
FT   DOMAIN          39..109
FT                   /note="KH type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01309"
FT   REGION          219..240
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   240 AA;  27147 MW;  62F687179DE3AB13 CRC64;
     MGQKIHPVGF RLGITKDHKS CWYADPKRYP ELLQEDHKIR QYIEKTLNNA GISDIRIERK
     AEQIELGIHT ARPGVVVGRG GSGIEQLREG LQKLLGSARQ IRVNVIEVPN ADADAALMAE
     YIGQQLERRV SFRRVVRQAL QRAERAEVKG IKIQVSGRLN GAEIARTEWV REGRVPLHTL
     RADIDYAYRT ALTTYGILGI KVWIFKGEVI PGQEAAIVAP PSQPRRKSRR QQFDDRSQDG