2. Withanolide A –9.78 67.23 nM Gln984,Leu983, Thr980, Gly981, Arg977, Phe952, Tyr738 –10.5 19.50 nM Ile299, Ala754, Ser750, Thr302, Ala753, Val581, Leu843, Gln599, Ile652, Arg758, Lys715, Gly653, Asp757, Tyr300, Arg761, Pro651, Leu846 –97.67 –85.32 –12.35 0 Ile652, Pro651, Thr302, Tyr300, Ile299, Gln301, Ser750, Ala754, Arg747, Gly751, Lys715