ID   RS3_ACHLA               Reviewed;         265 AA.
AC   P29223;
DT   01-DEC-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-1992, sequence version 1.
DT   25-MAY-2022, entry version 92.
DE   RecName: Full=30S ribosomal protein S3 {ECO:0000255|HAMAP-Rule:MF_01309};
GN   Name=rpsC {ECO:0000255|HAMAP-Rule:MF_01309};
OS   Acholeplasma laidlawii.
OC   Bacteria; Tenericutes; Mollicutes; Acholeplasmatales; Acholeplasmataceae;
OC   Acholeplasma.
OX   NCBI_TaxID=2148;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1556079; DOI=10.1128/jb.174.8.2606-2611.1992;
RA   Lim P.O., Sears B.B.;
RT   "Evolutionary relationships of a plant-pathogenic mycoplasmalike organism
RT   and Acholeplasma laidlawii deduced from two ribosomal protein gene
RT   sequences.";
RL   J. Bacteriol. 174:2606-2611(1992).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAA21912.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; M74771; AAA21912.1; ALT_INIT; Genomic_DNA.
DR   PIR; D41839; D41839.
DR   AlphaFoldDB; P29223; -.
DR   SMR; P29223; -.
DR   PRIDE; P29223; -.
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; 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   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..265
FT                   /note="30S ribosomal protein S3"
FT                   /id="PRO_0000130053"
FT   DOMAIN          39..111
FT                   /note="KH type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01309"
FT   REGION          224..250
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   265 AA;  29812 MW;  0552D74BE6E70902 CRC64;
     MGQKTNPNGL RLGIIRTWES KRYADQKDVP ALIKEDALIR EFLNENFSKA GVSQIEIERV
     KAKSKERVTI KLYVSKPGIA LGKEASVKNK AVSNLEYLTK KEVILNIIEV RRPEKVAVLV
     AQSIAEQLEN RASFRRAQKM AIQRALKSGA KGIRTLVSGR LGGAEMARSE GYSEGRVPLH
     TLRADVDYAT AEASTTYGIL GIKVWIYHGE VLPGQSILDT RKPFEAGNQR RGQKRRPRND
     QPVKDLNKEK EIARRTNYYV NAKKN