MOLECULE TO RECOGNIZE MISMATCHED BASE PAIR
PURPOSE: A molecule to recognize a mismatched base pair is provided, thereby easily and high sensitively detecting the mismatched base pair, particularly guanine-guanine mismatch which could not be detected by the prior technique. CONSTITUTION: A method for detecting a mismatched base pair comprises forming a base pair similar to a mismatched base pair using a compound of formula(I):A-L-B, and measuring the formation thereof, wherein A is a chemical structure moiety capable of forming a base pair with one base of the mismatched base pair
B is a chemical structure moiety capable of forming a base pair with another base of the mismatched base pair
L is a linker connecting A and B
and the compound of formula(I) forms the similar base pair by forming a hydrogen bond of A and B with the mismatched base pair and stabilizes the similar base pair by stacking effects with surrounding bases.