Site-specific attachment of proteins onto a 3D DNA tetrahedron through backbone-modified phosphorothioate DNA

摘要

Phosphorothioate-modified DNA and short bifunctional linkers are used to attach proteins to a DNA tetrahedron. Precise control of the position of and distance between protein modifications is achieved. This technique is simple, can be adapted to other DNA nanostructures, exhibits high yields, and the modification can be programmably placed within the structure.