نتایج جستجو برای: initiation
تعداد نتایج: 96023 فیلتر نتایج به سال:
In the human genome, translation initiation from non-AUG codons plays an important role in various gene regulation programs. However, mechanisms regulating the non-AUG initiation rate remain poorly understood. Here, we show that the non-AUG initiation rate is nearly consistent under a fixed nucleotide context in various human and insect cells. Yet, it ranges from <1% to nearly 100% compared to ...
Rsm28p is a dispensable component of the mitochondrial ribosomal small subunit in Saccharomyces cerevisiae that is not related to known proteins found in bacteria. It was identified as a dominant suppressor of certain mitochondrial mutations that reduced translation of the COX2 mRNA. To explore further the function of Rsm28p, we isolated mutations in other genes that caused a synthetic respirat...
We have used an in vitro translation initiation assay to investigate the requirements for the efficient transfer of Met-tRNAf (as Met-tRNAf.eIF2.GTP ternary complex) to 40 S ribosomal subunits in the absence of mRNA (or an AUG codon) to form the 40 S preinitiation complex. We observed that the 17-kDa initiation factor eIF1A is necessary and sufficient to mediate nearly quantitative transfer of ...
Translation initiation is on the critical pathway for the production of monoclonal antibodies (mAbs) by mammalian cells. Formation of a closed loop structure comprised of mRNA, a number of eukaryotic initiation factors (eIFs) and ribosomal proteins has been proposed to aid re-initiation of translation and therefore increase global translational efficiency. We have determined mRNA and protein le...
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