9UOK | pdb_00009uok

Structure of the complex of LGR4_ECD with Norrin

• PDB DOI: https://doi.org/10.2210/pdb9UOK/pdb
• EM Map EMD-64380: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Camelus ferus, Homo sapiens
• Expression System: Escherichia coli, Homo sapiens, Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2025-04-25 Released: 2025-07-16 
• Deposition Author(s): Geng, Y., Hu, F.Z., Qiao, H.R.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.05 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of the complex of LGR4_ECD with Norrin

Geng, Y., Hu, F.Z., Qiao, H.R.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A2B1C1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

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

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 255.29 kDa 
• Atom Count: 5,851 
• Modeled Residue Count: 752 
• Deposited Residue Count: 2,328 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MB52	A	556	Camelus ferus	Mutation(s): 0
UniProt
Find proteins for B5Z8H1 (Helicobacter pylori (strain G27)) Explore B5Z8H1  Go to UniProtKB:  B5Z8H1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Leucine-rich repeat-containing G-protein coupled receptor 4	B [auth C]	954	Homo sapiens	Mutation(s): 0  Gene Names: LGR4, GPR48
UniProt & NIH Common Fund Data Resources
Find proteins for Q9BXB1 (Homo sapiens) Explore Q9BXB1  Go to UniProtKB:  Q9BXB1
PHAROS:  Q9BXB1 GTEx:  ENSG00000205213

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Norrin,Immunoglobulin gamma-1 heavy chain	C [auth E], D [auth F]	409	Homo sapiens	Mutation(s): 0  Gene Names: NDP, EVR2
UniProt & NIH Common Fund Data Resources
Find proteins for Q00604 (Homo sapiens) Explore Q00604  Go to UniProtKB:  Q00604
PHAROS:  Q00604 GTEx:  ENSG00000124479

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.05 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-07-16 
Deposition Author(s): Geng, Y., Hu, F.Z., Qiao, H.R.

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

Revision History  

• Version 1.0: 2025-07-16
  Type: Initial release