ID   RR4_PLAAD               Reviewed;         202 AA.
AC   Q9FSE4;
DT   06-DEC-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2001, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=30S ribosomal protein S4, chloroplastic;
GN   Name=rps4;
OS   Plagiochila adianthoides (Liverwort).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Marchantiophyta;
OC   Jungermanniopsida; Jungermanniidae; Jungermanniales; Lophocoleineae;
OC   Plagiochilaceae; Plagiochila; Plagiochila sect. Adianthoideae.
OX   NCBI_TaxID=53019;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   TISSUE=Gametophyte;
RA   Capesius I., Bloecher R.;
RT   "A molecular approach to bryophyte systematics.";
RL   Submitted (OCT-1999) 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: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; AJ250181; CAC12828.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9FSE4; -.
DR   SMR; Q9FSE4; -.
DR   PRIDE; Q9FSE4; -.
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; IPR018079; Ribosomal_S4_CS.
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; PS00632; RIBOSOMAL_S4; 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..202
FT                   /note="30S ribosomal protein S4, chloroplastic"
FT                   /id="PRO_0000132654"
FT   DOMAIN          90..151
FT                   /note="S4 RNA-binding"
SQ   SEQUENCE   202 AA;  23488 MW;  618965F07CFCB690 CRC64;
     MSRYRGPRVK IIRRLGALPG LTSKTLKSKS NYIDRSTPNK KVSQYRIRLE EKQKLRSHYG
     LAERQLLKYM RIARKAKGST GQILLQLLEM RLDNTIFRLG MSPTIPGARQ LVNHRHISIN
     NDVVDIPSYN CEPGDIITIG NKQKSRFIIT KNINSFQRLK IPSHLIFDST QLRGSVNQMI
     NREWINLKIN ELLVVEYYSR QV