7WI8 | pdb_00007wi8

Cryo-EM structure of inactive mGlu3 bound to LY341495

• PDB DOI: https://doi.org/10.2210/pdb7WI8/pdb
• EM Map EMD-32527: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMmpstruc


• Deposited: 2022-01-03 Released: 2022-03-16 
• Deposition Author(s): Fang, W., Yang, F., Xu, C.J., Ling, S.L., Lin, L., Zhou, Y.X., Sun, W.J., Wang, X.M., Liu, P., Rondard, P., Pan, S., Pin, J.P., Tian, C.L., Liu, J.F.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.17 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis of the activation of metabotropic glutamate receptor 3.

Fang, W., Yang, F., Xu, C., Ling, S., Lin, L., Zhou, Y., Sun, W., Wang, X., Liu, P., Rondard, P., Shi, P., Pin, J.P., Tian, C., Liu, J.

(2022) Cell Res 32: 695-698

• PubMed: 35236939 
• DOI: https://doi.org/10.1038/s41422-022-00623-z
• Primary Citation Related Structures: 
  7WI6, 7WI8, 7WIH

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Organizational Affiliation: 
• The First Affiliated Hospital of USTC, School of Life Sciences, Division of Life Sciences and Medicine, Joint Center for Biological Analytical Chemistry, Anhui Engineering Laboratory of Peptide Drug, Anhui Laboratory of Advanced Photonic Science and Technology, University of Science and Technology of China, Hefei, Anhui, China.
Key Laboratory of Molecular Biophysics of MOE, International Research Center for Sensory Biology and Technology of MOST, College of Life Science and Technology, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, China.
Bioland Laboratory, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, Guangdong, China.
Institut de Génomique Fonctionnelle (IGF), Université de Montpellier, CNRS, INSERM, Montpellier, France.
The First Affiliated Hospital of USTC, School of Life Sciences, Division of Life Sciences and Medicine, Joint Center for Biological Analytical Chemistry, Anhui Engineering Laboratory of Peptide Drug, Anhui Laboratory of Advanced Photonic Science and Technology, University of Science and Technology of China, Hefei, Anhui, China. [e-mail].
Institut de Génomique Fonctionnelle (IGF), Université de Montpellier, CNRS, INSERM, Montpellier, France. [e-mail].
The First Affiliated Hospital of USTC, School of Life Sciences, Division of Life Sciences and Medicine, Joint Center for Biological Analytical Chemistry, Anhui Engineering Laboratory of Peptide Drug, Anhui Laboratory of Advanced Photonic Science and Technology, University of Science and Technology of China, Hefei, Anhui, China. [e-mail].
Key Laboratory of Molecular Biophysics of MOE, International Research Center for Sensory Biology and Technology of MOST, College of Life Science and Technology, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, China. [e-mail].
Bioland Laboratory, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, Guangdong, China. [e-mail].

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 201.19 kDa 
• Atom Count: 9,268 
• Modeled Residue Count: 1,446 
• Deposited Residue Count: 1,774 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Metabotropic glutamate receptor 3	A, B	887	Homo sapiens	Mutation(s): 0  Gene Names: GRM3, GPRC1C, MGLUR3 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q14832 (Homo sapiens) Explore Q14832  Go to UniProtKB:  Q14832
PHAROS:  Q14832 GTEx:  ENSG00000198822
Glycosylation
Glycosylation Sites: 1		Go to GlyGen: Q14832-1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
Z99 (Subject of Investigation/LOI)	D [auth A], F [auth B]	2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine C20 H19 N O5 VLZBRVJVCCNPRJ-KPHUOKFYSA-N
NAG (Subject of Investigation/LOI)	C [auth A], E [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
Z99	BindingDB:  7WI8	Ki: min: 1.3, max: 14 (nM) from 3 assay(s)
		IC50: min: 2.8, max: 16 (nM) from 6 assay(s)
		EC50: 1.00e+5 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.17 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2022-03-16 
Deposition Author(s): Fang, W., Yang, F., Xu, C.J., Ling, S.L., Lin, L., Zhou, Y.X., Sun, W.J., Wang, X.M., Liu, P., Rondard, P., Pan, S., Pin, J.P., Tian, C.L., Liu, J.F.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	21825703

Revision History  

• Version 1.0: 2022-03-16
  Type: Initial release
  
• Version 1.1: 2022-07-20
  Changes: Database references
• Version 1.2: 2024-11-13
  Changes: Data collection, Structure summary