8YSZ | pdb_00008ysz

Cryo-EM structure of the complex IR with three IGF-II

• PDB DOI: https://doi.org/10.2210/pdb8YSZ/pdb
• EM Map EMD-39566: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3), Homo sapiens
• Mutation(s): No 


• Deposited: 2024-03-24 Released: 2025-03-26 
• Deposition Author(s): Xi, Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.38 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of the complex IR with three IGF-II

Xi, Z.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 

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

Macromolecule Content 

• Total Structure Weight: 351 kDa 
• Atom Count: 10,912 
• Modeled Residue Count: 1,356 
• Deposited Residue Count: 3,100 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin-like growth factor II	A [auth D], D [auth C]	180	Homo sapiens	Mutation(s): 0  Gene Names: IGF2
UniProt & NIH Common Fund Data Resources
Find proteins for P01344 (Homo sapiens) Explore P01344  Go to UniProtKB:  P01344
PHAROS:  P01344 GTEx:  ENSG00000167244

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform Short of Insulin receptor	B [auth A], C [auth B]	1,370	Homo sapiens	Mutation(s): 0  Gene Names: INSR EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P06213 (Homo sapiens) Explore P06213  Go to UniProtKB:  P06213
PHAROS:  P06213 GTEx:  ENSG00000171105

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.38 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-26 
Deposition Author(s): Xi, Z.

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

Revision History  

• Version 1.0: 2025-03-26
  Type: Initial release
  
• Version 2.0: 2026-02-04
  Type: Coordinate replacement
  Reason: Ligand identity
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Polymer sequence, Structure summary