Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 49834.23 
• Atom Count: 3490 
• Residue Count: 443 
• Unique protein chains: 1

4QXE

Crystal structure of LGR4 fused with hagfish VLR

• DOI: 10.2210/pdb4QXE/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Eptatretus burgeri, Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): 1 


• Deposited: 2014-07-20 Released: 2014-10-22 
• Deposition Author(s): Xu, J.G., Huang, C., Zhu, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.2 Å
• R-Value Free: 0.237 
• R-Value Work: 0.209 

Literature

Crystal structure of LGR4 fused with hagfish VLR

Xu, J.G., Huang, C., Zhou, Y., Zhu, Y.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Leucine-rich repeat-containing G-protein coupled receptor 4, linker, Variable lymphocyte receptor B	A	443	Eptatretus burgeri, Homo sapiens This entity is chimeric	Mutation(s): 1  Gene Names: VLRB, LGR4 (GPR48)
Find proteins for Q4G1L2 (Eptatretus burgeri) Go to UniProtKB:  Q4G1L2
Find proteins for Q9BXB1 (Homo sapiens) Go to Gene View: LGR4 Go to UniProtKB:  Q9BXB1

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
SO4	A	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	A	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
GOL	A	GLYCEROL GLYCERIN; PROPANE-1,2,3-TRIOL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
NAG	A	N-ACETYL-D-GLUCOSAMINE C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.2 Å
• R-Value Free: 0.237 
• R-Value Work: 0.209 
• Space Group: I 2₁ 3

Unit Cell:

Length (Å)	Angle (°)
a = 173.759	α = 90.00
b = 173.759	β = 90.00
c = 173.759	γ = 90.00

Software Package:

Software Name	Purpose
PHASES	phasing
HKL-2000	data reduction
ADSC	data collection
REFMAC	refinement
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2014-07-20 
• Released Date: 2014-10-22 
• Deposition Author(s): Xu, J.G., Huang, C., Zhu, Y.

Revision History 

• Version 1.0: 2014-10-22
  Type: Initial release
• Version 1.1: 2017-06-28
  Type: Source and taxonomy