8, Gly122, Ser123,Cys116, Tyr117, Ala115, Thr143, Ile140, Ser138, Gln295, Met6, Arg294 5. Withanolide E –7.72 2.19 µM Glu185, Tyr184, Gly182, Gln132, Glu193, Gly194, Leu192, Gln191, Met190, Ser189 –9.0 240.98 nM Lys82, Gly83, Lys234, Ser131, Gln132, Ala107, Glu54, Tyr81, Arg80, Met57, Val197, Arg40, Thr239, Glu240 –104.61 –85.73 –18.88