8IKH

Cryo-EM structure of human receptor with G proteins

• PDB DOI: https://doi.org/10.2210/pdb8IKH/pdb
• EM Map EMD-35512: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, Mus musculus
• Expression System: Spodoptera frugiperda, Insect cell expression vector pTIE1
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-02-28 Released: 2024-06-05 
• Deposition Author(s): Shen, S.Y., Shao, Z.H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of human receptor with G proteins

Shen, S.Y., Shao, Z.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 151.6 kDa 
• Atom Count: 8,403 
• Modelled Residue Count: 1,091 
• Deposited Residue Count: 1,357 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha-1	A	354	Homo sapiens	Mutation(s): 0  Gene Names: GNAI1 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P63096 (Homo sapiens) Explore P63096  Go to UniProtKB:  P63096
PHAROS:  P63096 GTEx:  ENSG00000127955

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	356	Homo sapiens	Mutation(s): 0  Gene Names: GNB1
UniProt & NIH Common Fund Data Resources
Find proteins for P62873 (Homo sapiens) Explore P62873  Go to UniProtKB:  P62873
PHAROS:  P62873 GTEx:  ENSG00000078369

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	C	71	Homo sapiens	Mutation(s): 0  Gene Names: GNG2 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P59768 (Homo sapiens) Explore P59768  Go to UniProtKB:  P59768
PHAROS:  P59768 GTEx:  ENSG00000186469

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Cannabinoid receptor 1	D [auth R]	310	Homo sapiens	Mutation(s): 0  Gene Names: CNR1, CNR Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P21554 (Homo sapiens) Explore P21554  Go to UniProtKB:  P21554
PHAROS:  P21554 GTEx:  ENSG00000118432

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
scFV16	E [auth S]	266	Mus musculus	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
Q2L (Subject of Investigation/LOI)	F [auth R]	3-[(1R)-1-(2-methoxyphenyl)-2-nitro-ethyl]-2-phenyl-1H-indole C23 H20 N2 O3 RHDQEIKBUOYTCY-IBGZPJMESA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-05 
Deposition Author(s): Shen, S.Y., Shao, Z.H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31972916

Revision History  

• Version 1.0: 2024-06-05
  Type: Initial release