9LTF | pdb_00009ltf

Crystal structure of mSTING-TTB

PDB DOI: https://doi.org/10.2210/pdb9LTF/pdb

Classification: IMMUNE SYSTEM
Organism(s): Mus musculus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-02-06 Released: 2026-02-11
Deposition Author(s): Zhang, C.G., Hou, Y.F., Liu, P.Y., Fan, S.L.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.92 Å
R-Value Free:
0.239 (Depositor), 0.239 (DCC)
R-Value Work:
0.198 (Depositor), 0.198 (DCC)
R-Value Observed:
0.200 (Depositor)

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Activation of STING by a VEGFR inhibitor telatinib with antitumor activity

Zhang, C.G., Hou, Y.F.

To be published.

Macromolecule Content

Total Structure Weight: 21.9 kDa
Atom Count: 1,532
Modeled Residue Count: 177
Deposited Residue Count: 188
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Stimulator of interferon genes protein	A	188	Mus musculus	Mutation(s): 0 Gene Names: Sting1, Eris, Mita, Mpys, Sting, Tmem173
UniProt & NIH Common Fund Data Resources
Find proteins for Q3TBT3 (Mus musculus) Explore Q3TBT3 Go to UniProtKB: Q3TBT3
IMPC: MGI:1919762
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q3TBT3
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1ELY (Subject of Investigation/LOI) Query on A1ELY Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	N-phenyl-7-(pyridin-4-ylmethoxy)furo[2,3-d]pyridazin-4-amine C₁₈ H₁₄ N₄ O₂ OJNIAGZYSLXKIL-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.92 Å
R-Value Free: 0.239 (Depositor), 0.239 (DCC)
R-Value Work: 0.198 (Depositor), 0.198 (DCC)
R-Value Observed: 0.200 (Depositor)

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.611	α = 90
b = 79.611	β = 90
c = 49.909	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
HKL-2000	data reduction
PHENIX	phasing

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2026-02-11

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82241074
National Natural Science Foundation of China (NSFC)	China	32070875

Revision History (Full details and data files)

Version 1.0: 2026-02-11
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.