In 1979, Alexander Rich, PhD, and his colleagues solved the structure of a self-complementary DNA hexamer and discovered that the molecule formed a left-handed double helix (Z-DNA). (Credit: Journal ...
The front ribbon of the Z-RNA Double-Helix points upwards to the left. In A-RNA and in Watson-Crick B-DNA the foremost ribbon points upwards to the right. Left handed Z-RNA can form from right-handed ...
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