ID   RR4_ADICA               Reviewed;         197 AA.
AC   Q85FL8;
DT   27-SEP-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 4.
DT   25-MAY-2022, entry version 71.
DE   RecName: Full=30S ribosomal protein S4, chloroplastic;
GN   Name=rps4;
OS   Adiantum capillus-veneris (Maidenhair fern).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Polypodiopsida; Polypodiidae; Polypodiales; Pteridineae; Pteridaceae;
OC   Vittarioideae; Adiantum.
OX   NCBI_TaxID=13818;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=12755170; DOI=10.1093/dnares/10.2.59;
RA   Wolf P.G., Rowe C.A., Sinclair R.B., Hasebe M.;
RT   "Complete nucleotide sequence of the chloroplast genome from a
RT   leptosporangiate fern, Adiantum capillus-veneris L.";
RL   DNA Res. 10:59-65(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND RNA EDITING.
RC   TISSUE=Frond;
RX   PubMed=15363849; DOI=10.1016/j.gene.2004.06.018;
RA   Wolf P.G., Rowe C.A., Hasebe M.;
RT   "High levels of RNA editing in a vascular plant chloroplast genome:
RT   analysis of transcripts from the fern Adiantum capillus-veneris.";
RL   Gene 339:89-97(2004).
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   -!- RNA EDITING: Modified_positions=78 {ECO:0000269|PubMed:15363849}, 143
CC       {ECO:0000269|PubMed:15363849};
CC   -!- MISCELLANEOUS: A slightly longer form of the protein may be created by
CC       RNA editing; however this region of the cDNA has not yet been
CC       sequenced. {ECO:0000305|PubMed:15363849}.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uS4 family.
CC       {ECO:0000305}.
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DR   EMBL; AY178864; AAP29394.2; -; Genomic_DNA.
DR   RefSeq; NP_848062.2; NC_004766.1.
DR   AlphaFoldDB; Q85FL8; -.
DR   SMR; Q85FL8; -.
DR   PRIDE; Q85FL8; -.
DR   GeneID; 807441; -.
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   2: Evidence at transcript level;
KW   Chloroplast; Plastid; Ribonucleoprotein; Ribosomal protein; RNA editing;
KW   RNA-binding; rRNA-binding.
FT   CHAIN           1..197
FT                   /note="30S ribosomal protein S4, chloroplastic"
FT                   /id="PRO_0000132526"
FT   DOMAIN          84..143
FT                   /note="S4 RNA-binding"
SQ   SEQUENCE   197 AA;  22327 MW;  2BBBA498F36F2663 CRC64;
     MRRLKNLPGL TGTGKSNTSN LGEFRLAVDQ STSRKISQFC VRLEAKQRLR LNYGLTERQL
     LRYVRIARRT RGSTGQVLLQ LLEMRLDNII FQLGMASTIP AARQLVCHRH ILVNHRVVDI
     PSYRCKPRDI ISIRNRPTSA NALKSESLSG NEVPDHLTLS ISKTGEPTGL VNHLVNRESV
     NLDINELLVV EYYSRKA