9J0I | pdb_00009j0i

UDP-Glucuronic acid bound purinergic receptor P2Y14 complex with Gi

• PDB DOI: https://doi.org/10.2210/pdb9J0I/pdb
• EM Map EMD-61055: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN/IMMUNE SYSTEM
• Organism(s): Homo sapiens, Escherichia coli
• Expression System: Trichoplusia ni
• Mutation(s): No 
• Membrane Protein: Yes  mpstruc


• Deposited: 2024-08-02 Released: 2025-06-04 
• Deposition Author(s): Wang, T.X., Gu, Q.C., Tang, W.Q.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.76 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural insights into ligand recognition and activation of human purinergic receptor P2Y14.

Gu, Q., Lv, Z., Wang, T., Tang, W., Guo, X., Huang, X., Li, F., Wang, J.

(2025) Cell Discov 11: 48-48

• PubMed: 40360473 
• DOI: https://doi.org/10.1038/s41421-025-00799-9
• Primary Citation Related Structures: 
  9J0B, 9J0F, 9J0I

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Organizational Affiliation: 
• CAS Key Laboratory of Quantitative Engineering Biology, Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China.
Key Laboratory of Biomacromolecules (CAS), CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China.
School of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.
iHuman Institute, ShanghaiTech University, Shanghai, China.
School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
Key Laboratory of Biomacromolecules (CAS), CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China. [e-mail].
School of Life Sciences, University of Chinese Academy of Sciences, Beijing, China. [e-mail].
Key Laboratory of Biomacromolecules (CAS), CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China. [e-mail].
School of Life Sciences, University of Chinese Academy of Sciences, Beijing, China. [e-mail].
iHuman Institute, ShanghaiTech University, Shanghai, China. [e-mail].

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: 179.19 kDa 
• Atom Count: 8,529 
• Modeled Residue Count: 1,142 
• Deposited Residue Count: 1,600 
• 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 EC: 3.6.5 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	377	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 [auth G]	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
Soluble cytochrome b562,P2Y purinoceptor 14	D [auth R]	501	Escherichia coli, Homo sapiens This entity is chimeric	Mutation(s): 0  Gene Names: cybC, P2RY14, GPR105, KIAA0001 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q15391 (Homo sapiens) Explore Q15391  Go to UniProtKB:  Q15391
PHAROS:  Q15391 GTEx:  ENSG00000174944

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
ScFv16	E [auth S]	297	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UGA (Subject of Investigation/LOI)	F [auth R]	URIDINE-5'-DIPHOSPHATE-GLUCURONIC ACID C15 H22 N2 O18 P2 HDYANYHVCAPMJV-LXQIFKJMSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.76 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-06-04 
Deposition Author(s): Wang, T.X., Gu, Q.C., Tang, W.Q.

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

Revision History  

• Version 1.0: 2025-06-04
  Type: Initial release