9V1H | pdb_00009v1h

Cryo-EM structure of Gi-coupled NPFF2R in complex with GUB08248

• PDB DOI: https://doi.org/10.2210/pdb9V1H/pdb
• EM Map EMD-64693: EMDB EMDataResource

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


• Deposited: 2025-05-19 Released: 2026-02-04 
• Deposition Author(s): Zhao, L., Li, X., Li, S., Yuan, Q.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.85 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

Molecular basis for cross-activation of NPFF2R by a short PrRP-related peptide

Li, X., Li, S., Yuan, Q.

(2026) Acta Pharmacol Sin 

• DOI: https://doi.org/10.1038/s41401-025-01741-1

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: 165.84 kDa 
• Atom Count: 8,890 
• Modeled Residue Count: 1,140 
• Deposited Residue Count: 1,480 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(s) subunit alpha-1	A	361	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	371	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
scFv16	C [auth E]	247	Homo sapiens	Mutation(s): 0

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 G]	70	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
GUB08248	E [auth L]	11	Homo sapiens	Mutation(s): 0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Neuropeptide FF receptor 2	F [auth R]	420	Homo sapiens	Mutation(s): 0  Gene Names: NPFFR2, GPR74, NPFF2, NPGPR
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y5X5 (Homo sapiens) Explore Q9Y5X5  Go to UniProtKB:  Q9Y5X5
PHAROS:  Q9Y5X5 GTEx:  ENSG00000056291

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.85 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-02-04 
Deposition Author(s): Zhao, L., Li, X., Li, S., Yuan, Q.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32371255
National Natural Science Foundation of China (NSFC)	China	32071203
National Natural Science Foundation of China (NSFC)	China	32130022
National Natural Science Foundation of China (NSFC)	China	82121005
National Natural Science Foundation of China (NSFC)	China	82404881

Revision History  

• Version 1.0: 2026-02-04
  Type: Initial release