Article
Redundancy of non-AUG initiators. A clever mechanism to enhance the efficiency of translation in yeast.
The Journal of biological chemistry - 24 Mar 2006
Chang Kuang-Jung, Lin Grace, Men Lee-Chung, Wang Chien-Chia
Abstract excerpt
It was recently shown that ALA1, the only alanyl-tRNA synthetase gene in Saccharomyces cerevisiae, uses two successive ACG triplets as the translation initiators for its mitochondrial form. Evidence presented here argues that the second ACG triplet not only acts as a remedial initiation site for scanning ribosomes that skip the first ACG, but also enhances the activity of the preceding initiator by providing a...
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