9DAV | pdb_00009dav

STING oligomer bound to cGAMP and STG2 in the presence of PI4P

• PDB DOI: https://doi.org/10.2210/pdb9DAV/pdb
• EM Map EMD-46699: EMDB EMDataResource

• Classification: SIGNALING PROTEIN/ACTIVATOR
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-08-22 Released: 2025-12-17 
• Deposition Author(s): Li, J., Zhang, X., Bai, X.
• Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI), Welch Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.80 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis for the roles of phosphoinositide phosphates and cholesterol in STING activation

Jie, L., Zhang, X., Bai, X.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 160.42 kDa 
• Atom Count: 10,144 
• Modeled Residue Count: 1,272 
• Deposited Residue Count: 1,416 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Stimulator of interferon genes protein	A, B, C, D	354	Homo sapiens	Mutation(s): 0  Gene Names: STING1, ERIS, MITA, TMEM173
UniProt & NIH Common Fund Data Resources
Find proteins for Q86WV6 (Homo sapiens) Explore Q86WV6  Go to UniProtKB:  Q86WV6
PHAROS:  Q86WV6 GTEx:  ENSG00000184584

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
1SY (Subject of Investigation/LOI)	F [auth B], G [auth C]	cGAMP C20 H24 N10 O13 P2 XRILCFTWUCUKJR-INFSMZHSSA-N
Y6H (Subject of Investigation/LOI)	E [auth A], H [auth C]	4-({[4-(2-tert-butyl-5,5-dimethyl-1,3-dioxan-2-yl)phenyl]methyl}amino)-3-methoxybenzoic acid C25 H33 N O5 CZSPKEVHLRWAFC-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.80 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: 2025-12-17 
Deposition Author(s): Li, J., Zhang, X., Bai, X.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	R01CA273595
Welch Foundation	United States	I-1702
Welch Foundation	United States	I-1944

Revision History  

• Version 1.0: 2025-12-17
  Type: Initial release