9LLF | pdb_00009llf

Cryo-EM structure of D1R-Gs in complex with de novo designed GEM targeting TM3/4/5

• PDB DOI: https://doi.org/10.2210/pdb9LLF/pdb
• EM Map EMD-63200: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, synthetic construct, Lama glama
• Expression System: Spodoptera frugiperda, Escherichia coli
• Mutation(s): Yes 


• Deposited: 2025-01-17 Released: 2026-03-04 
• Deposition Author(s): Guo, J., Zhou, Y., Cheng, S., Zhang, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.64 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

GPCR exoframe modulator

Cheng, S., Guo, J., Zhou, Y., Zhang, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 6-mer - A1B1C1D1E1F1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 200.02 kDa 
• Atom Count: 8,583 
• Modeled Residue Count: 1,085 
• Deposited Residue Count: 1,796 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Expression tag,D(1A) dopamine receptor,LgBiT	A [auth R]	746	Homo sapiens, synthetic construct	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P21728 (Homo sapiens) Explore P21728  Go to UniProtKB:  P21728
PHAROS:  P21728 GTEx:  ENSG00000184845

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	B [auth A]	380	Homo sapiens	Mutation(s): 8  Gene Names: GNAS, GNAS1, GSP EC: 3.6.5
UniProt & NIH Common Fund Data Resources
Find proteins for P63092 (Homo sapiens) Explore P63092  Go to UniProtKB:  P63092
PHAROS:  P63092 GTEx:  ENSG00000087460

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	C [auth B]	384	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: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	D [auth C]	71	Homo sapiens	Mutation(s): 0  Gene Names: GNG2
UniProt & NIH Common Fund Data Resources
Find proteins for P59768 (Homo sapiens) Explore P59768  Go to UniProtKB:  P59768
PHAROS:  P59768 GTEx:  ENSG00000186469

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Nanoboy 35	E [auth N]	138	Lama glama	Mutation(s): 0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
De novo designed GPCR exoframe modulator targeting TM3/4/5	F [auth M]	77	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
LDP (Subject of Investigation/LOI)	G [auth R]	L-DOPAMINE C8 H11 N O2 VYFYYTLLBUKUHU-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.64 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-03-04 
Deposition Author(s): Guo, J., Zhou, Y., Cheng, S., Zhang, Y.

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

Revision History  

• Version 1.0: 2026-03-04
  Type: Initial release