NECAP (IMAGE) Cornell University Caption A protein complex called AP2 binds to the inside of the cell membrane to initiate endocytosis. But NECAP can shut down the process by attaching to AP2, which causes it to close and detach from the membrane. Credit Edward Partlow and Dr. Richard Baker 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.