The animals, to Ian Malcolm ‘s shock, continued to thrive on Isla Sorna in spite of the lysine failsafe because of the herbivore's abilities to devour soy and other lysine-rich foods. Following the initial evacuation of survivors from Isla Nublar , Laura Sorkin meant to introduce a new enzyme into the island's main water provide which would counteract the lysine contingency, as she intended to return to the island at a later time. N, amino terminus