The second protein, which normally unwinds DNA, instead takes two steps along each DNA letter, which they could pick up by tracking minute changes in the current, according to co-author and UW physics doctoral student Jonathan Craig. (sciencedaily.com)
In Alzheimer's and other protein - based diseases, an amino acid from one protein links to an amino acid on a second protein, rather than waiting to link to one on its own chain. (scientificamerican.com)
The second protein, in turn, toggles the chemo drug to its active state. (discovermagazine.com)