Computer Model (IMAGE) University of California - Irvine Caption This is a computer model of the two herbal components, an isovaleric acid molecule (violet, upper left) and mallotoxin (blue, lower right), occupying neighboring binding sites to synergistically activate KCNQ2/3 channels. Credit Geoff Abbott, PhD, UCI School of Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.