3MRA:
reference: Spatial structure of the M3 transmembrane segment of the nicotinic acetylcholine receptor alpha subunit., Lugovskoy AA, Maslennikov IV, Utkin YN, Tsetlin VI, Cohen JB, Arseniev AS, Eur J Biochem 1998 Jul 15;255(2):455-61. PMID: 9716388

This OCA Structure page
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