http://ift.tt/eA8V8J A yeast protein that evolved from scratch can fold into a compact three-dimensional shape -- contrary to the general understanding of young proteins. Recent evidence suggests new genes can arise from the non-coding sections, or 'junk,' DNA and that those new genes could code for brand-new proteins. Scientists thought such newly evolved proteins were works-in-progress that could not fold into complex shapes the way more ancient proteins do.
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