8ZEU | pdb_00008zeu

CryoEM structure of GR2002-F(ab')2: TSLP complex

• PDB DOI: https://doi.org/10.2210/pdb8ZEU/pdb
• EM Map EMD-60046: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): No 


• Deposited: 2024-05-07 Released: 2025-05-28 
• Deposition Author(s): Zhigang, L., Junjie, H.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.39 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Preclinical Development of GR2002, a Novel Anti-TSLP Bispecific Antibody With Potent TSLP Inhibitory Effects.

Zhang, X., Luo, S., Hao, X., Liu, Y., Hu, J., Yang, J., Qin, H., Liu, Z.

(2025) Allergy 80: 2077-2080

• PubMed: 40372096 
• DOI: https://doi.org/10.1111/all.16591
• Primary Citation of Related Structures:  
  8ZEU

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Organizational Affiliation: 
• Beijing Wisdomab Biotechnology Co. Ltd, Beijing, China.
State Key Laboratory of Chemo and Biosensing, Hunan Research Center of the Basic Discipline for Cell Signaling, College of Biology, Hunan University, Changsha, China.
Genrix (Shanghai) Biopharmaceutical Co. Ltd, Shanghai, China.
Chongqing Genrix Biopharmaceutical Co. Ltd., Chongqing, China.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 10-mer - A4B2C2D2 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Hetero 10-mer - A8B2 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 234.71 kDa 
• Atom Count: 14,534 
• Modeled Residue Count: 1,906 
• Deposited Residue Count: 2,160 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab-H1A10 fragment, heavy chain	A [auth H], F [auth D]	264	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab fragment, light chain	B [auth L], C [auth B], G [auth E], H [auth F]	215	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Thymic stromal lymphopoietin	D [auth C], I [auth G]	127	Homo sapiens	Mutation(s): 0  Gene Names: TSLP
UniProt & NIH Common Fund Data Resources
Find proteins for Q969D9 (Homo sapiens) Explore Q969D9  Go to UniProtKB:  Q969D9
PHAROS:  Q969D9 GTEx:  ENSG00000145777

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab-H3B10 fragment, heavy chain	E [auth A], J [auth I]	259	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.39 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-05-28 
Deposition Author(s): Zhigang, L., Junjie, H.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-05-28
  Type: Initial release
  
• Version 1.1: 2025-12-10
  Changes: Data collection, Database references