5KK2:
reference: Architecture of fully occupied GluA2 AMPA receptor-TARP complex elucidated by cryo-EM., Zhao Y, Chen S, Yoshioka C, Baconguis I, Gouaux E, Nature. 2016 Jul 1. doi: 10.1038/nature18961. PMID: 27368053

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).