107, Trp93, Leu162, Glu161, Lys157  –6.0  39.69 µM  Thr301, Tyr273, Tyr264, Trp106, Asp164, Pro248, Pro247, Met208, Arg166  –75.28  –68.35  –6.93  0  Ala68, Thr74, Phe79, Asp76, Pro77, Lys43, Arg65, Pro59, Leu58
9.  Withasomnine  –5.56  84.41 µM  Asn109, Gln269, Cys270, Leu162, Gly160, Cys270  –7.2  4.50 µM  Asp76, Pro59, Phe79, Leu8