8XK1

Cryo-EM structure of human insulin receptor bound to 4 IGF-I

• PDB DOI: https://doi.org/10.2210/pdb8XK1/pdb
• EM Map EMD-38413: EMDB EMDataResource

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


• Deposited: 2023-12-22 Released: 2024-12-25 
• 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: 3.31 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of human insulin receptor bound to 4 IGF-I

Xi, Z.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A4B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 6-mer - A3B2C1 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 398.18 kDa 
• Atom Count: 14,312 
• Modelled Residue Count: 1,777 
• Deposited Residue Count: 3,520 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform Short of Insulin receptor	A, 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) Go to UniProtKB:  P06213
PHAROS:  P06213 GTEx:  ENSG00000171105

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin-like growth factor I	C, D, E, F	195	Homo sapiens	Mutation(s): 0  Gene Names: IGF1
UniProt & NIH Common Fund Data Resources
Find proteins for P05019 (Homo sapiens) Explore P05019  Go to UniProtKB:  P05019
PHAROS:  P05019 GTEx:  ENSG00000017427

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.31 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-12-25 
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: 2024-12-25
  Type: Initial release