7V3P

Cryo-EM structure of the IGF1R/insulin complex

• PDB DOI: https://doi.org/10.2210/pdb7V3P/pdb
• EM Map EMD-31671: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2021-08-11 Released: 2022-08-17 
• Deposition Author(s): Zhang, J., Liu, C., Zhang, X., Wei, T., Wu, C.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of the IGF1R/insulin complex

Liu, C., Zhang, J., Zhang, X., Wei, T., Wu, C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A2B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 218.35 kDa 
• Atom Count: 13,517 
• Modelled Residue Count: 1,674 
• Deposited Residue Count: 1,913 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin-like growth factor 1 receptor	A, B	931	Homo sapiens	Mutation(s): 0  Gene Names: IGF1R EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P08069 (Homo sapiens) Explore P08069  Go to UniProtKB:  P08069
PHAROS:  P08069 GTEx:  ENSG00000140443
Glycosylation
Glycosylation Sites: 3		Go to GlyGen: P08069-1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin A chain	C [auth E]	21	Homo sapiens	Mutation(s): 0  Gene Names: INS
UniProt & NIH Common Fund Data Resources
Find proteins for P01308 (Homo sapiens) Explore P01308  Go to UniProtKB:  P01308
PHAROS:  P01308 GTEx:  ENSG00000254647

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin B chain	D [auth F]	30	Homo sapiens	Mutation(s): 0  Gene Names: INS
UniProt & NIH Common Fund Data Resources
Find proteins for P01308 (Homo sapiens) Explore P01308  Go to UniProtKB:  P01308
PHAROS:  P01308 GTEx:  ENSG00000254647

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	E [auth A], F [auth A], G [auth A], H [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-08-17 
Deposition Author(s): Zhang, J., Liu, C., Zhang, X., Wei, T., Wu, C.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81972766

Revision History  

• Version 1.0: 2022-08-17
  Type: Initial release
  
• Version 1.1: 2024-10-16
  Changes: Data collection, Structure summary