355, His513, Tyr523, Glu411, Arg522  –98.26  –78.36  –19.90  0  Leu375, Lys449, Tyr287, Ser298, Met299, Asp300, Thr301, Thr302   
3.  Withanolide B  –10.21  32.78 nM  Phe391, His387,