6NRQ:
reference: Molecular basis of synaptic specificity by immunoglobulin superfamily receptors in Drosophila., Cheng S, Ashley J, Kurleto JD, Lobb-Rabe M, Park YJ, Carrillo RA, Ozkan E, Elife. 2019 Jan 28;8. pii: 41028. doi: 10.7554/eLife.41028. PMID: 30688651

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