منابع مشابه
Translation Initiation System
AhtractRedundancy occurs naturally within RNA and DNA sequences [l]. The existence of tandem repeats, and sequences such as the Shine-Dalgarno sequence, the Pribnow box and the TATA box, leads us to believe that cellular communication systems use some method of coding to recognize valid information regions within a nucleotide sequence and correct for “transmission” errors such as mutations. In ...
متن کاملModifications on Translation Initiation
Two studies by Meyer et al. and Wang et al. demonstrate a role for m(6)A modification of mRNA in stimulating translation initiation. These findings add to the growing number of diverse mechanisms for translation initiation in eukaryotes.
متن کاملlacZ translation initiation mutations.
Sixteen single point mutations near the beginning of the lacZ gene have been isolated and their effect on lacZ expression has been measured. Five mutations were obtained that alter a potential stem-and-loop structure in the messenger RNA that masks the initiation codons. Formation of this stem-and-loop is a result of transcription of DNA sequences introduced during the cloning of the lac regula...
متن کاملSynaptic plasticity and translation initiation.
It is widely accepted that protein synthesis, including local protein synthesis at synapses, is required for several forms of synaptic plasticity. Local protein synthesis enables synapses to control synaptic strength independent of the cell body via rapid protein production from pre-existing mRNA. Therefore, regulation of translation initiation is likely to be intimately involved in modulating ...
متن کاملCoupled Folding during Translation Initiation
The structure of the eukaryotic initiation factor eIF4E bound to a cognate domain of eIF4G and m(7)GDP in this issue of Cell shows that these factors undergo coupled folding to form a stable complex with high cap binding activity that promotes efficient ribosomal attachment to mRNA during translation initiation.
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ژورنال
عنوان ژورنال: Structure
سال: 2007
ISSN: 0969-2126
DOI: 10.1016/j.str.2006.12.002