1UV6:
reference: Nicotine and carbamylcholine binding to nicotinic acetylcholine receptors as studied in AChBP crystal structures., Celie PH, van Rossum-Fikkert SE, van Dijk WJ, Brejc K, Smit AB, Sixma TK, Neuron 2004 Mar 25;41(6):907-14. PMID: 15046723

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