294, Gln295, Glu291, Gln8, Ser110, Lys5, Gly126, Ala7, Met6, Ser123, Gly122 –74.07 –60.38 –13.68 0 Tyr280, Leu3, Arg4, Lys5,Gly126, Tyr125, Val124 9. Withasomnine –6.06 3