https://www.ncbi.nlm.nih.gov/Structure/pdb/6XSR
6XSR: Crystal structure of GluA2 AMPA receptor in complex with trans-4-butylcyclohexane carboxylic...
Glutamate receptor 22-acetamido-2-deoxy-beta-D-glucopyranosetrans-4-butylcyclohexane-1-carboxylic acid