The structure of 4-way DNA junctions: specific binding of bis-intercalators with rigid linkers.
During replication and recombination, two DNA duplexes lie side by side. We have developed reagents that might be used to probe structure during these critical processes; they contain two intercalating groups connected by a rigid linker that forces those groups to point in opposite directions. If their stereochemistry proves appropriate, such structure-specific agents should intercalate specifically into adjacent duplexes in the Y- and X-shaped structures (i.e. 3- and 4-way junctions, now kno...Expand abstract
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