Crystal structures of the M1 and M4 muscarinic acetylcholine receptors
Abstract
Muscarinic M1–M5 acetylcholine receptors are G-protein-coupled receptors that regulate many vital functions of the central and peripheral nervous systems. In particular, the M1 and M4 receptor subtypes have emerged as attractive drug targets for treatments of neurological disorders, such as Alzheimer’s disease and schizophrenia, but the high conservation of the acetylcholine-binding pocket has spurred current research into targeting allosteric sites on these receptors. In this paper, we report the crystal structures of the M1 and M4 muscarinic receptors bound to the inverse agonist, tiotropium. Comparison of these structures with each other, as well as with the previously reported M2 and M3 receptor structures, reveals differences in the orthosteric and allosteric binding sites that contribute to a role in drug selectivity at this important receptor family. Finally, we also report identification of a cluster of residues that form a network linking the orthosteric and allosteric sites of the M4 receptor, which provides new insight into how allosteric modulation may be transmitted between the two spatially distinct domains.
- Authors:
-
- Monash Univ., Melbourne, VIC (Australia). Monash Inst. of Pharmaceutical Sciences. Drug Discovery Biology. Dept. of Pharmacology
- ConfometRx, Santa Clara, CA (United States)
- Eli Lilly, Indianapolis, IN (United States). Dept. of Neuroscience
- Eli Lilly, Indianapolis, IN (United States). Dept. of Computational Chemistry and Chemoinformatics
- Eli Lilly, Windlesham (United Kingdom). Dept. of Computational Chemistry and Chemoinformatics
- Stanford Univ., CA (United States). School of Medicine. Dept. of Molecular and Cellular Physiology. Dept. of Structural Biology
- ConfometRx, Santa Clara, CA (United States); Stanford Univ., CA (United States). School of Medicine. Dept. of Molecular and Cellular Physiology
- Publication Date:
- Research Org.:
- Stanford Univ., CA (United States); Monash Univ., Melbourne, VIC (Australia)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Inst. of Health (NIH) (United States); Lilly Research Award Program (United States); Mathers Foundation (United States); National Health and Medical Research Council (NHMRC) (Australia)
- Contributing Org.:
- ConfometRx, Santa Clara, CA (United States); Eli Lilly, Indianapolis, IN (United States); Eli Lilly, Windlesham (United Kingdom)
- OSTI Identifier:
- 1248385
- Grant/Contract Number:
- W-31-109-ENG-38; Y1-CO-1020; Y1-GM-1104; APP1055134
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature (London)
- Additional Journal Information:
- Journal Name: Nature (London); Journal Volume: 531; Journal Issue: 7594; Journal ID: ISSN 0028-0836
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- ENGLISH
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; 60 APPLIED LIFE SCIENCES; X-ray crystallography; G protein-coupled receptors
Citation Formats
Thal, David M., Sun, Bingfa, Feng, Dan, Nawaratne, Vindhya, Leach, Katie, Felder, Christian C., Bures, Mark G., Evans, David A., Weis, William I., Bachhawat, Priti, Kobilka, Tong Sun, Sexton, Patrick M., Kobilka, Brian K., and Christopoulos, Arthur. Crystal structures of the M1 and M4 muscarinic acetylcholine receptors. United States: N. p., 2016.
Web. doi:10.1038/nature17188.
Thal, David M., Sun, Bingfa, Feng, Dan, Nawaratne, Vindhya, Leach, Katie, Felder, Christian C., Bures, Mark G., Evans, David A., Weis, William I., Bachhawat, Priti, Kobilka, Tong Sun, Sexton, Patrick M., Kobilka, Brian K., & Christopoulos, Arthur. Crystal structures of the M1 and M4 muscarinic acetylcholine receptors. United States. https://doi.org/10.1038/nature17188
Thal, David M., Sun, Bingfa, Feng, Dan, Nawaratne, Vindhya, Leach, Katie, Felder, Christian C., Bures, Mark G., Evans, David A., Weis, William I., Bachhawat, Priti, Kobilka, Tong Sun, Sexton, Patrick M., Kobilka, Brian K., and Christopoulos, Arthur. Wed .
"Crystal structures of the M1 and M4 muscarinic acetylcholine receptors". United States. https://doi.org/10.1038/nature17188. https://www.osti.gov/servlets/purl/1248385.
@article{osti_1248385,
title = {Crystal structures of the M1 and M4 muscarinic acetylcholine receptors},
author = {Thal, David M. and Sun, Bingfa and Feng, Dan and Nawaratne, Vindhya and Leach, Katie and Felder, Christian C. and Bures, Mark G. and Evans, David A. and Weis, William I. and Bachhawat, Priti and Kobilka, Tong Sun and Sexton, Patrick M. and Kobilka, Brian K. and Christopoulos, Arthur},
abstractNote = {Muscarinic M1–M5 acetylcholine receptors are G-protein-coupled receptors that regulate many vital functions of the central and peripheral nervous systems. In particular, the M1 and M4 receptor subtypes have emerged as attractive drug targets for treatments of neurological disorders, such as Alzheimer’s disease and schizophrenia, but the high conservation of the acetylcholine-binding pocket has spurred current research into targeting allosteric sites on these receptors. In this paper, we report the crystal structures of the M1 and M4 muscarinic receptors bound to the inverse agonist, tiotropium. Comparison of these structures with each other, as well as with the previously reported M2 and M3 receptor structures, reveals differences in the orthosteric and allosteric binding sites that contribute to a role in drug selectivity at this important receptor family. Finally, we also report identification of a cluster of residues that form a network linking the orthosteric and allosteric sites of the M4 receptor, which provides new insight into how allosteric modulation may be transmitted between the two spatially distinct domains.},
doi = {10.1038/nature17188},
journal = {Nature (London)},
number = 7594,
volume = 531,
place = {United States},
year = {Wed Mar 09 00:00:00 EST 2016},
month = {Wed Mar 09 00:00:00 EST 2016}
}
Web of Science
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Structural insights into the subtype-selective antagonist binding to the M2 muscarinic receptor
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Crystal structure of dopamine receptor D4 bound to the subtype selective ligand, L745870
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