Conformation of acetylcholine at muscarinic nerve receptors: crystal and molecular structure of 2-trimethylammoniummethyl-5-methyl furan iodide (5-methylfurmethide iodide).
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Biomedical subjects
Publications and source records attributed to P Pauling.
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The molecular configuration of lysergic acid diethylamide (LSD) in crystals of the iodobenzoate has been determined by using x-ray diffraction techniques. The configuration shows strain and steric hindrance and the conformation is fixed. Some of the implications of this for the hallucinogenic activity of LSD are discussed.
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The three-dimensional structure of O,O',N-trimethyl-d-tubocurarine, a neuromuscular blocking agent, has been determined by x-ray crystallography. This may help to provide insight into its pharmacologic action.
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A correlation of the crystal structure analyses of the potent nicotinic agonists acetylcholine, acetyl-alpha-methylcholine, lactoylcholine, 1,1-dimethyl-4-phenylpiperazine, and nicotine allows one to determine the conformation of cholinergic agonists relevant to nicotinic nerve receptors.
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