Preferential protection of the minor groove of non-operator DNA by lac repressor against methylation by dimethyl sulphate. - Alexander Kolchinsky; A. D. Mirzabekov; Walter Gilbert; L. Li (Nucleic Acids Res., 1976)

High EDTA concentrations cause entrapment of small DNA molecules in the compression zone of pulsed field gels, resulting in smaller than expected insert sizes in YACs prepared from size selected DNA. - Roel P. Funke; Alexander Kolchinsky; Peter M. Gresshoff (Nucleic Acids Res., 1994)