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IF1C_LACSA
ID   IF1C_LACSA              Reviewed;          77 AA.
AC   Q332U2; Q1KXI7;
DT   07-MAR-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 60.
DE   RecName: Full=Translation initiation factor IF-1, chloroplastic {ECO:0000255|HAMAP-Rule:MF_00075};
GN   Name=infA {ECO:0000255|HAMAP-Rule:MF_00075};
OS   Lactuca sativa (Garden lettuce).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; campanulids; Asterales; Asteraceae; Cichorioideae; Cichorieae;
OC   Lactucinae; Lactuca.
OX   NCBI_TaxID=4236;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Cisco;
RX   PubMed=16604461; DOI=10.1007/s11248-005-3997-2;
RA   Kanamoto H., Yamashita A., Asao H., Okumura S., Takase H., Hattori M.,
RA   Yokota A., Tomizawa K.;
RT   "Efficient and stable transformation of Lactuca sativa L. cv. Cisco
RT   (lettuce) plastids.";
RL   Transgenic Res. 15:205-217(2006).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Salinas;
RA   Timme R.E., Kuehl J.V., Boore J.L., Jansen R.K.;
RT   "A comparison of the first two published chloroplast genomes in Asteraceae:
RT   Lactuca and Helianthus.";
RL   Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: One of the essential components for the initiation of protein
CC       synthesis. Stabilizes the binding of IF-2 and IF-3 on the 30S subunit
CC       to which N-formylmethionyl-tRNA(fMet) subsequently binds. Helps
CC       modulate mRNA selection, yielding the 30S pre-initiation complex (PIC).
CC       Upon addition of the 50S ribosomal subunit IF-1, IF-2 and IF-3 are
CC       released leaving the mature 70S translation initiation complex.
CC       {ECO:0000255|HAMAP-Rule:MF_00075}.
CC   -!- SUBUNIT: Component of the 30S ribosomal translation pre-initiation
CC       complex which assembles on the 30S ribosome in the order IF-2 and IF-3,
CC       IF-1 and N-formylmethionyl-tRNA(fMet); mRNA recruitment can occur at
CC       any time during PIC assembly. {ECO:0000255|HAMAP-Rule:MF_00075}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast {ECO:0000255|HAMAP-
CC       Rule:MF_00075}.
CC   -!- SIMILARITY: Belongs to the IF-1 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00075}.
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DR   EMBL; AP007232; BAE47630.1; -; Genomic_DNA.
DR   EMBL; DQ383816; ABD47267.1; -; Genomic_DNA.
DR   RefSeq; YP_398363.1; NC_007578.1.
DR   AlphaFoldDB; Q332U2; -.
DR   SMR; Q332U2; -.
DR   GeneID; 3772848; -.
DR   KEGG; lsv:3772848; -.
DR   OrthoDB; 1599390at2759; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0003729; F:mRNA binding; IEA:EnsemblPlants.
DR   GO; GO:0043022; F:ribosome binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003743; F:translation initiation factor activity; IEA:UniProtKB-UniRule.
DR   CDD; cd04451; S1_IF1; 1.
DR   Gene3D; 2.40.50.140; -; 1.
DR   HAMAP; MF_00075; IF_1; 1.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR006196; RNA-binding_domain_S1_IF1.
DR   InterPro; IPR022967; S1_dom.
DR   InterPro; IPR004368; TIF_IF1.
DR   PANTHER; PTHR33370; PTHR33370; 1.
DR   Pfam; PF01176; eIF-1a; 1.
DR   SMART; SM00316; S1; 1.
DR   SUPFAM; SSF50249; SSF50249; 1.
DR   TIGRFAMs; TIGR00008; infA; 1.
DR   PROSITE; PS50832; S1_IF1_TYPE; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Initiation factor; Plastid; Protein biosynthesis; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..77
FT                   /note="Translation initiation factor IF-1, chloroplastic"
FT                   /id="PRO_0000226950"
FT   DOMAIN          1..71
FT                   /note="S1-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00075"
SQ   SEQUENCE   77 AA;  9168 MW;  3F3A63F482684208 CRC64;
     MKEQKWIHEG LITESLPNGM FRVRLDNEDM ILGYVSGKIR RSFIRILPGD RVKIEVSRYD
     STRGRIIYRL RNKDSKD
 
 
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