Professor, Imperial College London; author of the DNA zipper model
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Theory now directly confirmed
For 20 years, biologists knew matching DNA duplexes could pair up despite carrying identical negative charges, but no one had seen how. Researchers at the universities of York and Sheffield now have: metal ions, including nickel, magnesium, and calcium, nestle into the helices' grooves and zip them together, groove for groove.
Updated 1 hour ago
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