Nuclear magnetic resonance methods for identifying sites in a DNA-binding and dimerization domain of a papillomavirus E2 protein are disclosed. The first handle end includes a heel extending radially outward from the handle; an elongate arm portion extending radially outward from the heel and forming a forward opening crook; a raised arm portion disposed adjacent the crook; and a tip extending radially outward from the body portion. The corporate feed networks 161 to 16EF convert input signals of variable relative phase into relatively greater numbers of output signals for a phased array. 9\u22121, C) a relaxation layer having the composition BxAlyGazInuPvSbw, wherein x=0\u22120. The force-receiving portion includes an insertion groove for receiving the shank in a storage position.