7YQ3

human insulin receptor bound with A43 DNA aptamer and insulin

• PDB DOI: https://doi.org/10.2210/pdb7YQ3/pdb
• NAKB: 7YQ3
• EM Map EMD-34018: EMDB EMDataResource

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  mpstruc


• Deposited: 2022-08-05 Released: 2022-11-09 
• Deposition Author(s): Kim, J., Yunn, N., Ryu, S., Cho, Y.
• Funding Organization(s): National Research Foundation (NRF, Korea)

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Experimental Data Snapshot

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

Literature

Functional selectivity of insulin receptor revealed by aptamer-trapped receptor structures

Kim, J., Yunn, N.O., Park, M., Kim, J., Park, S., Kim, Y., Noh, J., Ryu, S.H., Cho, Y.

(2022) Nat Commun 13: 6500

• DOI: https://doi.org/10.1038/s41467-022-34292-8

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: assay for oligomerization

Macromolecule Content

• Total Structure Weight: 222.09 kDa 
• Atom Count: 14,412 
• Modelled Residue Count: 1,735 
• Deposited Residue Count: 1,888 
• Unique protein chains: 3
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin A chain	A	21	Homo sapiens	Mutation(s): 0  Gene Names: INS Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P01308 (Homo sapiens) Explore P01308  Go to UniProtKB:  P01308
PHAROS:  P01308 GTEx:  ENSG00000254647

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin, isoform 2	B	25	Homo sapiens	Mutation(s): 0  Gene Names: INS-IGF2
UniProt & NIH Common Fund Data Resources
Find proteins for F8WCM5 (Homo sapiens) Explore F8WCM5  Go to UniProtKB:  F8WCM5
PHAROS:  F8WCM5 GTEx:  ENSG00000129965

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform Short of Insulin receptor	C [auth E], D [auth F]	907	Homo sapiens	Mutation(s): 0  Gene Names: INSR EC: 2.7.10.1 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P06213 (Homo sapiens) Explore P06213  Go to UniProtKB:  P06213
PHAROS:  P06213 GTEx:  ENSG00000171105

Entity ID: 4
Molecule	Chains	Length	Organism	Image
IR-A43 aptamer	E [auth G]	28	synthetic construct

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: 2022-11-09 
Deposition Author(s): Kim, J., Yunn, N., Ryu, S., Cho, Y.

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Funding Organization	Location	Grant Number
National Research Foundation (NRF, Korea)	Korea, Republic Of	2017M3A9F6029736

Revision History  

• Version 1.0: 2022-11-09
  Type: Initial release