–98.52 –80.77 –17.75 0 Phe86, Asn87, Ile235, Asp88, Asn234, Pro272, Ile233, Leu54, Asn196, Asp53, Gln52, Ile197, Gly199, Asp198 8. Anaferine –3.86 1.47 mM Tyr313, Glu