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Thursday, May 03, 2018

nicotinic acetylcholine receptor


Cryo-EM Structure of the Nicotine Receptor May Lead to New Therapies for Addiction

by Neuroscience News
A detailed 3D structure of nicotinic acetylcholine receptors could help pave the way to developing new treatments for nicotine addiction, researchers report.
structure
Three-dimensional structures of nicotinic acetylcholine receptor determined by cryo-EM, courtesy of Hibbs Lab. NeuroscienceNews.com image is credited to Hibbs Lab, UT Southwestern Medical Center.
“Being a lead author on an accepted manuscript is in and of itself an extremely gratifying experience; being the lead author on a study accepted by Nature still feels surreal,” he added.
The Hibbs laboratory was previously able to obtain a structure of one of the two complexes using X-ray crystallography, a first at that time due to the difficulty of crystallizing membrane proteins.
“For membrane proteins in particular, obtaining crystals that will diffract to high resolution is challenging, which makes cryo-EM particularly powerful. We were previously able to obtain one of these nicotinic receptor subunit arrangements by X-ray crystallography. Cryo-EM gave us both arrangements, from a single sample, at higher resolution,” Dr. Hibbs said./.../

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