JIanhan Chen (IMAGE) University of Massachusetts Amherst Caption Jianhan Chen at UMass Amherst reports new results on calcium-gated ion channels. Besides advancing knowledge, an important part of the discovery relates to the many other domain-to-domain linkers in membrane proteins that must now be considered part of the sensing apparatus. It is more important than some people thought, he says. Credit UMass Amherst 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.