X-ray crystallography shows that translational initiation factor IF3 consists of two compact alpha/beta domains linked by an alpha-helix.
نویسندگان
چکیده
منابع مشابه
Escherichia coli translational initiation factor IF3: a unique case of translational regulation.
The Escherichia coli translational initiation factor IF3 is encoded by an mRNA that has an unusual ribosome binding site. We have explored a mechanism that may account for the translation of IF3 and that provides regulation of the quantity of IF3 relative to ribosomes.
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The location of translational initiation factor IF3 bound to the 30S subunit of the Thermus thermophilus ribosome has been determined by cryoelectron microscopy. Both the 30S.IF3 complex and control 30S subunit structures were determined to 27-A resolution. The difference map calculated from the two reconstructions reveals three prominent lobes of positive density. The previously solved crystal...
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ژورنال
عنوان ژورنال: The EMBO Journal
سال: 1995
ISSN: 0261-4189
DOI: 10.1002/j.1460-2075.1995.tb00077.x