ID   RR4_WELMI               Reviewed;         201 AA.
AC   B2Y1V2;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   25-MAY-2022, entry version 45.
DE   RecName: Full=30S ribosomal protein S4, chloroplastic;
GN   Name=rps4;
OS   Welwitschia mirabilis (Tree tumbo) (Welwitschia bainesii).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Gnetopsida; Gnetidae; Welwitschiales; Welwitschiaceae;
OC   Welwitschia.
OX   NCBI_TaxID=3377;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=18452621; DOI=10.1186/1471-2148-8-130;
RA   McCoy S.R., Kuehl J.V., Boore J.L., Raubeson L.A.;
RT   "The complete plastid genome sequence of Welwitschia mirabilis: an
RT   unusually compact plastome with accelerated divergence rates.";
RL   BMC Evol. Biol. 8:130-130(2008).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=19166950; DOI=10.1016/j.ympev.2008.12.026;
RA   Wu C.-S., Lai Y.-T., Lin C.-P., Wang Y.-N., Chaw S.-M.;
RT   "Evolution of reduced and compact chloroplast genomes (cpDNAs) in
RT   gnetophytes: Selection toward a lower-cost strategy.";
RL   Mol. Phylogenet. Evol. 52:115-124(2009).
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:0000250}.
CC   -!- FUNCTION: With S5 and S12 plays an important role in translational
CC       accuracy. {ECO:0000250}.
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 (By similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uS4 family.
CC       {ECO:0000305}.
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DR   EMBL; EU342371; ABY26782.1; -; Genomic_DNA.
DR   EMBL; AP009568; BAH11236.1; -; Genomic_DNA.
DR   RefSeq; YP_001876569.1; NC_010654.1.
DR   AlphaFoldDB; B2Y1V2; -.
DR   SMR; B2Y1V2; -.
DR   GeneID; 6276222; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
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; IPR002942; S4_RNA-bd.
DR   InterPro; IPR036986; S4_RNA-bd_sf.
DR   PANTHER; PTHR11831; PTHR11831; 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; PS50889; S4; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Plastid; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..201
FT                   /note="30S ribosomal protein S4, chloroplastic"
FT                   /id="PRO_1000165373"
FT   DOMAIN          91..151
FT                   /note="S4 RNA-binding"
SQ   SEQUENCE   201 AA;  24065 MW;  9B42A9544F7EB793 CRC64;
     MSRYLGPRFK IIRRLKTLPG LTSKRPKYKK RVRRRFSRPW WKKSQHLICL QEKQKIRFHY
     GLTERQLRQY INIAKRAQGS TGQVLLQLLE MRLDNIIFQL GIARTIPAAR QIVNHRHVLV
     NGRVVDIPSY RCKPQDVLTI KTKNPEELRT IINKNRSKFR RKVPYHLTLD LAQNKGIVNK
     IIDRKDIQLK IQEMLVIEYY C