6V9U

Crystal structure of human TLR8 ectodomain bound to small molecule antagonist 14c


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.306 
  • R-Value Work: 0.296 
  • R-Value Observed: 0.297 

wwPDB Validation   3D Report Full Report

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This is version 1.2 of the entry. See complete history


Literature

Discovery of Potent and Orally Bioavailable Small Molecule Antagonists of Toll-like Receptors 7/8/9 (TLR7/8/9).

Mussari, C.P.Dodd, D.S.Sreekantha, R.K.Pasunoori, L.Wan, H.Posy, S.L.Critton, D.Ruepp, S.Subramanian, M.Watson, A.Davies, P.Schieven, G.L.Salter-Cid, L.M.Srivastava, R.Tagore, D.M.Dudhgaonkar, S.Poss, M.A.Carter, P.H.Dyckman, A.J.

(2020) ACS Med Chem Lett 11: 1751-1758

  • DOI: https://doi.org/10.1021/acsmedchemlett.0c00264
  • Primary Citation of Related Structures:  
    6V9U

  • PubMed Abstract: 

    The toll-like receptor (TLR) family is an evolutionarily conserved component of the innate immune system, responsible for the early detection of foreign or endogenous threat signals. In the context of autoimmunity, the unintended recognition of self-motifs as foreign promotes initiation or propagation of disease. Overactivation of TLR7 and TLR9 have been implicated as factors contributing to autoimmune disorders such as psoriasis, arthritis, and lupus. In our search for small molecule antagonists of TLR7/9, 7f was identified as possessing excellent on-target potency for human TLR7/9 as well as for TLR8, with selectivity against other representative TLR family members. Good pharmacokinetic properties and a relatively balanced potency against TLR7 and TLR9 in mouse systems (systems which lack functional TLR8) made this an excellent in vivo tool compound, and efficacy from oral dosing in preclinical models of autoimmune disease was demonstrated.


  • Organizational Affiliation

    Bristol Myers Squibb Research and Development, P.O. Box 4000, Princeton, New Jersey 08543, United States.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Toll-like receptor 8
A, B
811Homo sapiensMutation(s): 0 
Gene Names: TLR8UNQ249/PRO286
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NR97 (Homo sapiens)
Explore Q9NR97 
Go to UniProtKB:  Q9NR97
PHAROS:  Q9NR97
GTEx:  ENSG00000101916 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9NR97
Sequence Annotations
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  • Reference Sequence
Oligosaccharides

Help

Entity ID: 2
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
C, E, F
5N-Glycosylation
Glycosylation Resources
GlyTouCan:  G22768VO
GlyCosmos:  G22768VO
GlyGen:  G22768VO
Entity ID: 3
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
D
2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT
GlyCosmos:  G42666HT
GlyGen:  G42666HT
Entity ID: 4
MoleculeChains Length2D Diagram Glycosylation3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
G
3N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE
GlyCosmos:  G15407YE
GlyGen:  G15407YE
Entity ID: 5
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
H
5N-Glycosylation
Glycosylation Resources
GlyTouCan:  G10756ZZ
GlyCosmos:  G10756ZZ
GlyGen:  G10756ZZ
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
QSM (Subject of Investigation/LOI)
Query on QSM

Download Ideal Coordinates CCD File 
AA [auth B],
R [auth A]
2-(3,4-dimethoxyphenyl)-5-(piperidin-4-yl)-3-(propan-2-yl)-1H-indole
C24 H30 N2 O2
XKWJVTCJPRLPJR-UHFFFAOYSA-N
NAG
Query on NAG

Download Ideal Coordinates CCD File 
I [auth A]
J [auth A]
K [auth A]
L [auth A]
M [auth A]
I [auth A],
J [auth A],
K [auth A],
L [auth A],
M [auth A],
N [auth A],
O [auth A],
P [auth A],
Q [auth A],
S [auth B],
T [auth B],
U [auth B],
V [auth B],
W [auth B],
X [auth B],
Y [auth B],
Z [auth B]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.306 
  • R-Value Work: 0.296 
  • R-Value Observed: 0.297 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 163.59α = 90
b = 86.753β = 119.8
c = 151.399γ = 90
Software Package:
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
PHASERphasing
BUSTERrefinement
PDB_EXTRACTdata extraction

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2020-08-12
    Type: Initial release
  • Version 1.1: 2020-10-07
    Changes: Database references
  • Version 1.2: 2023-10-11
    Changes: Data collection, Database references, Refinement description