–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