Lexitropsin is a netropsin derivative which is determined the binding and specificity properties in interaction with DNA and synthetic polynucleotides[1].
References
[1] Zakrzewska K, et al. A theoretical study of the sequence specificity in binding of lexitropsins to B-DNA. J Biomol Struct Dyn. 1987 Apr;4(5):833-43. DOI:10.1080/07391102.1987.10507681