5L2E:
reference: Conformational Plasticity in the Transsynaptic Neurexin-Cerebellin-Glutamate Receptor Adhesion Complex., Cheng S, Seven AB, Wang J, Skiniotis G, Ozkan E, Structure. 2016 Dec 6;24(12):2163-2173. doi: 10.1016/j.str.2016.11.004. PMID: 27926833

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