s353, Ala354, Ser355, Ala356, Glu384, His387, Glu411, Tyr523, Val518, His513, Phe512   
5.  Withanolide E  –9.75  71.2 nM  Phe391, His410, His387, Glu411, Arg522, Tyr523, Val518, His513, Phe512