CB1 Receptor (2 of 2) (IMAGE) Cell Press Caption A model of the CB1 receptor shows the structure of the receptor in green, along with the stabilizing molecule AM6538 in the central binding pocket. The researchers used this model to examine how different cannabinoid molecules bind to and activate the receptor. Credit Yekaterina Kadyshevskaya, Stevens Laboratory, USC Usage Restrictions Credit Required. 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.