3MQ4 | pdb_00003mq4

Metabotropic glutamate receptor mGluR7 complexed with LY341495 antagonist

• PDB DOI: https://doi.org/10.2210/pdb3MQ4/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2010-04-27 Released: 2010-06-09 
• Deposition Author(s): Dobrovetsky, E., Khutoreskaya, G., Seitova, A., He, H., Weigelt, J., Edwards, A.M., Arrowsmith, C.H., Bountra, C., Cossar, D., Bochkarev, A., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.293 (Depositor), 0.321 (DCC) 
• R-Value Work: 
  0.262 (Depositor), 0.269 (DCC) 
• R-Value Observed: 
  0.264 (Depositor) 

Starting Model: experimental

Literature

mGluR7 complexed with LY341495

Dobrovetsky, E., Khutoreskaya, G., Seitova, A., He, H., Edwards, A.M., Arrowsmith, C.H., Bountra, C., Weigelt, J., Cossar, D., Bochkarev, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 53.99 kDa 
• Atom Count: 2,705 
• Modeled Residue Count: 386 
• Deposited Residue Count: 481 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Metabotropic glutamate receptor 7	A	481	Homo sapiens	Mutation(s): 1  Gene Names: GPRC1G, GRM7, MGLUR7
UniProt & NIH Common Fund Data Resources
Find proteins for Q14831 (Homo sapiens) Explore Q14831  Go to UniProtKB:  Q14831
PHAROS:  Q14831 GTEx:  ENSG00000196277

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
Z99	C [auth A]	2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine C20 H19 N O5 VLZBRVJVCCNPRJ-KPHUOKFYSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
Z99	BindingDB:  3MQ4	Ki: min: 110, max: 990 (nM) from 2 assay(s)
		IC50: min: 190, max: 1600 (nM) from 3 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free:  0.293 (Depositor), 0.321 (DCC) 
• R-Value Work:  0.262 (Depositor), 0.269 (DCC) 
• R-Value Observed: 0.264 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.673	α = 90
b = 131.159	β = 90
c = 140.644	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
MOLREP	phasing
BUSTER	refinement
HKL-3000	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-06-09 
Deposition Author(s): Dobrovetsky, E., Khutoreskaya, G., Seitova, A., He, H., Weigelt, J., Edwards, A.M., Arrowsmith, C.H., Bountra, C., Cossar, D., Bochkarev, A., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2010-06-09
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2021-10-06
  Changes: Database references, Derived calculations
• Version 1.3: 2023-09-06
  Changes: Data collection, Refinement description
• Version 1.4: 2024-10-30
  Changes: Structure summary