How TRPV5 Moves (VIDEO) University of Pennsylvania School of Medicine This video is under embargo. Please login to access this video. Caption This movie depicts the opening and closing of the TRPV5 channel caused by binding of an activating lipid. Amino acids important for this movement are shown as grey sticks. Credit Ruth Pumroy, University of Pennsylvania 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.