The silver necklace shows the three-dimensional structure of erabutoxin A in 1.2 mm silver wire.

Erabutoxin A is a neurotoxin from the Philippine sea snake Laticauda semifasciata. It’s part of the family of three-finger toxins. Three-finger toxins are small toxin proteins found in the venom of snakes. The toxin, which consists of three beta containing loops, resembles a hand with three fingers.