ID   RR4_MELUN               Reviewed;         196 AA.
AC   P36466;
DT   01-JUN-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1994, sequence version 1.
DT   25-MAY-2022, entry version 91.
DE   RecName: Full=30S ribosomal protein S4, chloroplastic;
DE   Flags: Fragment;
GN   Name=rps4;
OS   Melica uniflora (Wood melick grass).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Melicodae; Meliceae; Melica.
OX   NCBI_TaxID=29686;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   AGRICOLA=IND20417698; DOI=10.1007/BF00985340;
RA   Nadot S., Bajon R., Lejeune B.;
RT   "The chloroplast gene rps4 as a tool for the study of Poaceae phylogeny.";
RL   Plant Syst. Evol. 191:27-28(1994).
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; Z29246; CAA82445.1; -; Genomic_DNA.
DR   PIR; S41275; S41275.
DR   AlphaFoldDB; P36466; -.
DR   SMR; P36466; -.
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-KW.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
DR   GO; GO:0006412; P:translation; IEA:InterPro.
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..>196
FT                   /note="30S ribosomal protein S4, chloroplastic"
FT                   /id="PRO_0000132627"
FT   DOMAIN          89..169
FT                   /note="S4 RNA-binding"
FT   REGION          1..43
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   NON_TER         196
SQ   SEQUENCE   196 AA;  22647 MW;  72841917C15513CA CRC64;
     MSRYRGPRLK KIRRLGALPG LTRKTPKSGS NPKKKFHSGK KEQYRIRLQE KQKLRFHYGL
     TERQLLRYVY IAGKAKRSTG QVLLQLLEMR LDNILFRLGM ASTIPGARQL VNHRHILVNG
     RIVNIPSFRC KPRDIITTKD NQRSKGLVQN SIASSDPGKL PKHLTIDTLE YKGLVNKILD
     RKWVGLKINE LLVVEY