Snake Venom (IMAGE) UT Southwestern Medical Center Caption First high-resolution structure of native muscle-type nicotinic receptor purified from the electric organ of the Pacific ray and surrounded by a banded krait. A neurotoxin from the krait's venom was used in the study. Credit UTSW 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.