ID   RR4_EUGLO               Reviewed;         206 AA.
AC   P58134;
DT   01-JUN-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   25-MAY-2022, entry version 83.
DE   RecName: Full=Plastid 30S ribosomal protein S4;
GN   Name=rps4;
OS   Euglena longa (Euglenophycean alga) (Astasia longa).
OG   Plastid; Non-photosynthetic plastid.
OC   Eukaryota; Discoba; Euglenozoa; Euglenida; Spirocuta; Euglenophyceae;
OC   Euglenales; Euglenaceae; Euglena.
OX   NCBI_TaxID=3037;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCAP 1204-17a;
RX   PubMed=11212895; DOI=10.1078/s1434-4610(04)70033-4;
RA   Gockel G., Hachtel W.;
RT   "Complete gene map of the plastid genome of the nonphotosynthetic euglenoid
RT   flagellate Astasia longa.";
RL   Protist 151:347-351(2000).
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.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uS4 family.
CC       {ECO:0000305}.
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DR   EMBL; AJ294725; CAC24613.1; -; Genomic_DNA.
DR   RefSeq; NP_075002.1; NC_002652.1.
DR   AlphaFoldDB; P58134; -.
DR   SMR; P58134; -.
DR   GeneID; 802525; -.
DR   GO; GO:0009536; C:plastid; 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   Plastid; Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT   CHAIN           1..206
FT                   /note="Plastid 30S ribosomal protein S4"
FT                   /id="PRO_0000132540"
FT   DOMAIN          93..161
FT                   /note="S4 RNA-binding"
SQ   SEQUENCE   206 AA;  24323 MW;  56FD85EEF8A4B90F CRC64;
     MVRYLGPHVK VIRKLGSLRA FTKKKIKRYF KLDTKKRKLS FNKKTSKYKI RLKEKQKLRF
     NFAISEKQLF NYVKKAIKLK GSSGENLLVA LEMRLDNIVY RLGLAPTIIS SRQLINHGHI
     YVDGKVVNIP SFKCKPTNNI KIKDNLVSKR IIEKNIELLD KYFRAPSHLY FNKKKLEAKV
     INMVKREDIK LIINELLIIE FYSRKV