8E9Z

CryoEM structure of miniGq-coupled hM3R in complex with Iperoxo


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.69 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Molecular basis for selective activation of DREADD-based chemogenetics.

Zhang, S.Gumpper, R.H.Huang, X.P.Liu, Y.Krumm, B.E.Cao, C.Fay, J.F.Roth, B.L.

(2022) Nature 612: 354-362

  • DOI: https://doi.org/10.1038/s41586-022-05489-0
  • Primary Citation of Related Structures:  
    8E9W, 8E9X, 8E9Y, 8E9Z, 8EA0

  • PubMed Abstract: 

    Designer receptors exclusively activated by designer drugs (DREADDs) represent a powerful chemogenetic technology for the remote control of neuronal activity and cellular signalling 1-4 . The muscarinic receptor-based DREADDs are the most widely used chemogenetic tools in neuroscience research. The G q -coupled DREADD (hM3Dq) is used to enhance neuronal activity, whereas the G i/o -coupled DREADD (hM4Di) is utilized to inhibit neuronal activity 5 . Here we report four DREADD-related cryogenic electron microscopy high-resolution structures: a hM3Dq-miniG q complex and a hM4Di-miniG o complex bound to deschloroclozapine; a hM3Dq-miniG q complex bound to clozapine-N-oxide; and a hM3R-miniG q complex bound to iperoxo. Complemented with mutagenesis, functional and computational simulation data, our structures reveal key details of the recognition of DREADD chemogenetic actuators and the molecular basis for activation. These findings should accelerate the structure-guided discovery of next-generation chemogenetic tools.


  • Organizational Affiliation

    Department of Pharmacology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Muscarinic acetylcholine receptor M3568Homo sapiensMutation(s): 0 
Gene Names: CHRM3
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for P20309 (Homo sapiens)
Explore P20309 
Go to UniProtKB:  P20309
PHAROS:  P20309
GTEx:  ENSG00000133019 
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UniProt GroupP20309
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
miniGq246Homo sapiensMutation(s): 0 
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1368Homo sapiensMutation(s): 0 
Gene Names: GNB1
UniProt & NIH Common Fund Data Resources
Find proteins for P62873 (Homo sapiens)
Explore P62873 
Go to UniProtKB:  P62873
PHAROS:  P62873
GTEx:  ENSG00000078369 
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UniProt GroupP62873
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-271Homo sapiensMutation(s): 0 
Gene Names: GNG2
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for P59768 (Homo sapiens)
Explore P59768 
Go to UniProtKB:  P59768
PHAROS:  P59768
GTEx:  ENSG00000186469 
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UniProt GroupP59768
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
scFv16251Mus musculusMutation(s): 0 
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.69 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)United StatesU24DK1169195
National Institutes of Health/National Institute of Mental Health (NIH/NIMH)United StatesPsychoactive Drug Screening (PDSP)

Revision History  (Full details and data files)

  • Version 1.0: 2022-11-30
    Type: Initial release
  • Version 1.1: 2022-12-14
    Changes: Database references
  • Version 1.2: 2022-12-21
    Changes: Database references
  • Version 1.3: 2024-10-16
    Changes: Data collection, Structure summary