4ZJS:
reference: Main immunogenic region structure promotes binding of conformation-dependent myasthenia gravis autoantibodies, nicotinic acetylcholine receptor conformation maturation, and agonist sensitivity., Luo J, Taylor P, Losen M, de Baets MH, Shelton GD, Lindstrom J, J Neurosci. 2009 Nov 4;29(44):13898-908. doi: 10.1523/JNEUROSCI.2833-09.2009. PMID: 19890000

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