ID   RS4_METKA               Reviewed;         186 AA.
AC   Q8TVC0;
DT   06-DEC-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=30S ribosomal protein S4 {ECO:0000255|HAMAP-Rule:MF_01306};
GN   Name=rps4 {ECO:0000255|HAMAP-Rule:MF_01306}; OrderedLocusNames=MK1472;
OS   Methanopyrus kandleri (strain AV19 / DSM 6324 / JCM 9639 / NBRC 100938).
OC   Archaea; Euryarchaeota; Methanopyri; Methanopyrales; Methanopyraceae;
OC   Methanopyrus.
OX   NCBI_TaxID=190192;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AV19 / DSM 6324 / JCM 9639 / NBRC 100938;
RX   PubMed=11930014; DOI=10.1073/pnas.032671499;
RA   Slesarev A.I., Mezhevaya K.V., Makarova K.S., Polushin N.N.,
RA   Shcherbinina O.V., Shakhova V.V., Belova G.I., Aravind L., Natale D.A.,
RA   Rogozin I.B., Tatusov R.L., Wolf Y.I., Stetter K.O., Malykh A.G.,
RA   Koonin E.V., Kozyavkin S.A.;
RT   "The complete genome of hyperthermophile Methanopyrus kandleri AV19 and
RT   monophyly of archaeal methanogens.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:4644-4649(2002).
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:0000255|HAMAP-Rule:MF_01306}.
CC   -!- FUNCTION: With S5 and S12 plays an important role in translational
CC       accuracy. {ECO:0000255|HAMAP-Rule:MF_01306}.
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. {ECO:0000255|HAMAP-Rule:MF_01306}.
CC   -!- SIMILARITY: Belongs to the universal ribosomal protein uS4 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01306}.
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DR   EMBL; AE009439; AAM02685.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8TVC0; -.
DR   SMR; Q8TVC0; -.
DR   STRING; 190192.MK1472; -.
DR   PRIDE; Q8TVC0; -.
DR   EnsemblBacteria; AAM02685; AAM02685; MK1472.
DR   KEGG; mka:MK1472; -.
DR   PATRIC; fig|190192.8.peg.1628; -.
DR   HOGENOM; CLU_089738_1_1_2; -.
DR   OMA; ARQFITH; -.
DR   Proteomes; UP000001826; Chromosome.
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_A; Ribosomal_S4_A; 1.
DR   InterPro; IPR022801; Ribosomal_S4/S9.
DR   InterPro; IPR005710; Ribosomal_S4/S9_euk/arc.
DR   InterPro; IPR001912; Ribosomal_S4/S9_N.
DR   InterPro; IPR022802; Ribosomal_S4_arc.
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; TIGR01018; uS4_arch; 1.
DR   PROSITE; PS00632; RIBOSOMAL_S4; 1.
DR   PROSITE; PS50889; S4; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..186
FT                   /note="30S ribosomal protein S4"
FT                   /id="PRO_0000132509"
FT   DOMAIN          106..170
FT                   /note="S4 RNA-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01306"
FT   REGION          151..186
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   186 AA;  22370 MW;  64008CE0AE7603D5 CRC64;
     MGDPKRPRKK YETPRHPWEA ERLEYERKLM RKYGLRRKKE LWRHQTQLKR WRERAKELMA
     RTDPEAQRER EALFRKLYDL GILDKKPEEA TLDDILRLTV EDVLERRLQT IVYRKGLAKT
     PLQARQLVVH RHIAIGDRIV TVPSYLVSRE EEEEVDYSPY SPLKDEDHPI RCEARGESPE
     ETAAEE