Abstract:Tetrahedron DNA structures were formed by the assembly of three‐way junction (TWJ) oligonucleotides containing O6‐2′‐deoxyguanosine‐alkylene‐O6‐2′‐deoxyguanosine (butylene and heptylene linked) intrastrand cross‐links (IaCLs) lacking a phosphodiester group between the 2′‐deoxyribose residues. The DNA tetrahedra containing TWJs were shown to undergo an unhooking reaction by the human DNA repair protein O6‐alkylguanine DNA alkyltransferase (hAGT) resulting in structure disassembly. The unhooking reaction of hAGT… Show more
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