Synapse (IMAGE) Moscow Institute of Physics and Technology Caption Biophysicists have visualized a nearly complete transport cycle of the mammalian glutamate transporter homologue from archaea. They confirmed that the transport mechanism resembles that of an elevator: A 'door' opens, ions and substrate molecules come in, the door closes, and they travel through the membrane. Credit Anastasia Vlasova/MIPT Press Office 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.