ID   IF3_PARMW               Reviewed;         217 AA.
AC   Q7UA08;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Translation initiation factor IF-3 {ECO:0000255|HAMAP-Rule:MF_00080};
GN   Name=infC {ECO:0000255|HAMAP-Rule:MF_00080}; OrderedLocusNames=SYNW0093;
OS   Parasynechococcus marenigrum (strain WH8102).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Parasynechococcus; Parasynechococcus marenigrum.
OX   NCBI_TaxID=84588;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH8102;
RX   PubMed=12917641; DOI=10.1038/nature01943;
RA   Palenik B., Brahamsha B., Larimer F.W., Land M.L., Hauser L., Chain P.,
RA   Lamerdin J.E., Regala W., Allen E.E., McCarren J., Paulsen I.T.,
RA   Dufresne A., Partensky F., Webb E.A., Waterbury J.;
RT   "The genome of a motile marine Synechococcus.";
RL   Nature 424:1037-1042(2003).
CC   -!- FUNCTION: IF-3 binds to the 30S ribosomal subunit and shifts the
CC       equilibrum between 70S ribosomes and their 50S and 30S subunits in
CC       favor of the free subunits, thus enhancing the availability of 30S
CC       subunits on which protein synthesis initiation begins.
CC       {ECO:0000255|HAMAP-Rule:MF_00080}.
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00080}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00080}.
CC   -!- SIMILARITY: Belongs to the IF-3 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00080}.
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DR   EMBL; BX569689; CAE06608.1; -; Genomic_DNA.
DR   RefSeq; WP_011126971.1; NC_005070.1.
DR   AlphaFoldDB; Q7UA08; -.
DR   SMR; Q7UA08; -.
DR   STRING; 84588.SYNW0093; -.
DR   EnsemblBacteria; CAE06608; CAE06608; SYNW0093.
DR   KEGG; syw:SYNW0093; -.
DR   eggNOG; COG0290; Bacteria.
DR   HOGENOM; CLU_054919_3_1_3; -.
DR   OMA; RNMIMFL; -.
DR   OrthoDB; 1760144at2; -.
DR   Proteomes; UP000001422; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003743; F:translation initiation factor activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.10.20.80; -; 1.
DR   Gene3D; 3.30.110.10; -; 1.
DR   HAMAP; MF_00080; IF_3; 1.
DR   InterPro; IPR036788; T_IF-3_C_sf.
DR   InterPro; IPR036787; T_IF-3_N_sf.
DR   InterPro; IPR019813; Translation_initiation_fac3_CS.
DR   InterPro; IPR001288; Translation_initiation_fac_3.
DR   InterPro; IPR019815; Translation_initiation_fac_3_C.
DR   InterPro; IPR019814; Translation_initiation_fac_3_N.
DR   PANTHER; PTHR10938; PTHR10938; 1.
DR   Pfam; PF00707; IF3_C; 1.
DR   Pfam; PF05198; IF3_N; 1.
DR   SUPFAM; SSF54364; SSF54364; 1.
DR   SUPFAM; SSF55200; SSF55200; 1.
DR   TIGRFAMs; TIGR00168; infC; 1.
DR   PROSITE; PS00938; IF3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Initiation factor; Protein biosynthesis.
FT   CHAIN           1..217
FT                   /note="Translation initiation factor IF-3"
FT                   /id="PRO_0000177595"
FT   REGION          179..217
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   217 AA;  24907 MW;  CC690115D7075886 CRC64;
     MPPRPRFDRR APVRELPNIN DRISYPQLRV VDSDGSQLGV ISREEALEVA KERELDLVLV
     SEKADPPVCR IMDYGKFKFE QEKKAKEAKK KSHQTEVKEV KMRYKIDQHD YDVRIGQAVR
     FLKAGDKVKC TVIFRGREIQ HTALAETLLR RMAKDLEEKA EIQQAPKREG RNMIMFLTPR
     KTPLVKKEEK EAAPTKAVRT IPAPPRPTAA KVAAQQA