ID   RS4_LEPCP               Reviewed;         207 AA.
AC   B1Y7N0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=30S ribosomal protein S4 {ECO:0000255|HAMAP-Rule:MF_01306};
GN   Name=rpsD {ECO:0000255|HAMAP-Rule:MF_01306}; OrderedLocusNames=Lcho_3924;
OS   Leptothrix cholodnii (strain ATCC 51168 / LMG 8142 / SP-6) (Leptothrix
OS   discophora (strain SP-6)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Leptothrix.
OX   NCBI_TaxID=395495;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51168 / LMG 8142 / SP-6;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Lykidis A., Emerson D., Richardson P.;
RT   "Complete sequence of Leptothrix cholodnii SP-6.";
RL   Submitted (MAR-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: One of the primary rRNA binding proteins, it binds directly
CC       to 16S rRNA where it nucleates assembly of the body of the 30S subunit.
CC       {ECO:0000255|HAMAP-Rule:MF_01306}.
CC   -!- FUNCTION: With S5 and S12 plays an important role in translational
CC       accuracy. {ECO:0000255|HAMAP-Rule:MF_01306}.
CC   -!- SUBUNIT: Part of the 30S ribosomal subunit. Contacts protein S5. The
CC       interaction surface between S4 and S5 is involved in control of
CC       translational fidelity. {ECO:0000255|HAMAP-Rule:MF_01306}.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uS4 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01306}.
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DR   EMBL; CP001013; ACB36178.1; -; Genomic_DNA.
DR   RefSeq; WP_012348924.1; NC_010524.1.
DR   AlphaFoldDB; B1Y7N0; -.
DR   SMR; B1Y7N0; -.
DR   STRING; 395495.Lcho_3924; -.
DR   EnsemblBacteria; ACB36178; ACB36178; Lcho_3924.
DR   KEGG; lch:Lcho_3924; -.
DR   eggNOG; COG0522; Bacteria.
DR   HOGENOM; CLU_092403_0_2_4; -.
DR   OMA; NVVFRMG; -.
DR   OrthoDB; 1211060at2; -.
DR   Proteomes; UP000001693; Chromosome.
DR   GO; GO:0015935; C:small ribosomal subunit; IEA:InterPro.
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   CDD; cd00165; S4; 1.
DR   Gene3D; 3.10.290.10; -; 1.
DR   HAMAP; MF_01306_B; Ribosomal_S4_B; 1.
DR   InterPro; IPR022801; Ribosomal_S4/S9.
DR   InterPro; IPR001912; Ribosomal_S4/S9_N.
DR   InterPro; IPR005709; Ribosomal_S4_bac-type.
DR   InterPro; IPR018079; Ribosomal_S4_CS.
DR   InterPro; IPR002942; S4_RNA-bd.
DR   InterPro; IPR036986; S4_RNA-bd_sf.
DR   PANTHER; PTHR11831; PTHR11831; 1.
DR   PANTHER; PTHR11831:SF4; PTHR11831:SF4; 1.
DR   Pfam; PF00163; Ribosomal_S4; 1.
DR   Pfam; PF01479; S4; 1.
DR   SMART; SM01390; Ribosomal_S4; 1.
DR   SMART; SM00363; S4; 1.
DR   TIGRFAMs; TIGR01017; rpsD_bact; 1.
DR   PROSITE; PS00632; RIBOSOMAL_S4; 1.
DR   PROSITE; PS50889; S4; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..207
FT                   /note="30S ribosomal protein S4"
FT                   /id="PRO_1000140753"
FT   DOMAIN          97..157
FT                   /note="S4 RNA-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01306"
FT   REGION          22..54
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        22..38
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        39..53
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   207 AA;  23339 MW;  8B371B4435F60611 CRC64;
     MARYLGPKAK LARREGTDLY LKSARRSISD KSKFESKPGQ HGRTSGSRTS DFGLQLREKQ
     KVKRMYGVLE KQFRRYFAEA DRRKGNTGAN LLLLLESRLD NVVYRMGFGS TRAEARQLVS
     HKAVTVNGQS VNIPSYLVKA GDVISVREKS KKQLRIIDAL KLADSIGLPA WVSVDLTKME
     GIFKKAPDRD EFGAEINESL IVELYSR