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HAMAP rule MF_00080

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General rule information [?]

Accession MF_00080
Dates 1-JUN-2001 (Created)
1-JUN-2023 (Last updated, Version 31)
Name IF_3
Templates P03000 (IF3_GEOSE); P0A707 (IF3_ECOLI); P48516 (IF3_MYXXA); Q9ACJ8 (IF3_THET2): [Recover all]

Propagated annotation [?]

Identifier, protein and gene names [?]

case not <OG:Chloroplast>
Protein name
RecName: Full=Translation initiation factor IF-3;
end case
case <OG:Chloroplast>
Protein name
RecName: Full=Translation initiation factor IF-3, chloroplastic;
end case
Gene name

Comments [?]

Function IF-3 binds to the 30S ribosomal subunit and shifts the equilibrum between 70S ribosomes and their 50S and 30S subunits in favor of the free subunits, thus enhancing the availability of 30S subunits on which protein synthesis initiation begins.
Subunit Monomer.
case not <OG:Chloroplast>
Subcellular location Cytoplasm.
end case
case <OG:Chloroplast>
Subcellular location Plastid, chloroplast.
end case
Similarity Belongs to the IF-3 family.

Keywords [?]

case not <OG:Chloroplast>
end case

Gene Ontology [?]

GO:0003743; Molecular function: translation initiation factor activity.
GO:0006413; Biological process: translational initiation.
case not <OG:Chloroplast>
GO:0005737; Cellular component: cytoplasm.
end case
case <OG:Chloroplast>
GO:0009507; Cellular component: chloroplast.
end case

Cross-references [?]

Pfam PF00707; IF3_C; 1;
PF05198; IF3_N; 1;
NCBIfam TIGR00168; InfC; 1;
PROSITE PS00938; IF3; 1;

Additional information [?]

Size range 163-247 amino acids
Related rules None
Fusion None
Comments Divergent second copy in NOSS1, not shown in alignment