8YWB | pdb_00008ywb

a protein with a ligand

• PDB DOI: https://doi.org/10.2210/pdb8YWB/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-03-30 Released: 2025-10-08 
• Deposition Author(s): Zhang, H., Li, X.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 
  0.306 (Depositor), 0.310 (DCC) 
• R-Value Work: 
  0.284 (Depositor), 0.287 (DCC) 

Starting Model: experimental

Literature

a protein with a ligand

Zhang, H., Li, X.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A2B1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by (software)

Macromolecule Content 

• Total Structure Weight: 86.36 kDa 
• Atom Count: 2,732 
• Modeled Residue Count: 343 
• Deposited Residue Count: 773 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Stimulator of interferon genes protein	A, C [auth D]	379	Homo sapiens	Mutation(s): 0  Gene Names: STING1, ERIS, MITA, STING, TMEM173
UniProt & NIH Common Fund Data Resources
Find proteins for Q86WV6 (Homo sapiens) Explore Q86WV6  Go to UniProtKB:  Q86WV6
PHAROS:  Q86WV6 GTEx:  ENSG00000184584

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PRO-TRP-SER-TYR-TYR-SER-TYR	B	15	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free:  0.306 (Depositor), 0.310 (DCC) 
• R-Value Work:  0.284 (Depositor), 0.287 (DCC) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 89.337	α = 90
b = 81.264	β = 90
c = 73.863	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
PHENIX	model building
Coot	model building
HKL-3000	data scaling
HKL-3000	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-08 
Deposition Author(s): Zhang, H., Li, X.

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Funding Organization	Location	Grant Number
Other government	China	--

Revision History  

• Version 1.0: 2025-10-08
  Type: Initial release