3CIG

Crystal structure of mouse TLR3 ectodomain

• PDB DOI: https://doi.org/10.2210/pdb3CIG/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus
• Expression System: Trichoplusia ni
• Mutation(s): No 


• Deposited: 2008-03-11 Released: 2008-05-06 
• Deposition Author(s): Liu, L., Botos, I., Wang, Y., Leonard, J.N., Shiloach, J., Segal, D.M., Davies, D.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.66 Å
• R-Value Free: 0.272 
• R-Value Work: 0.244 
• R-Value Observed: 0.245 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 84.59 kDa 
• Atom Count: 5,736 
• Modelled Residue Count: 663 
• Deposited Residue Count: 697 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Toll-like receptor 3	A	697	Mus musculus	Mutation(s): 0  Gene Names: Tlr3
UniProt
Find proteins for Q99MB1 (Mus musculus) Explore Q99MB1  Go to UniProtKB:  Q99MB1

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B, E	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G07375KG GlyCosmos:  G07375KG GlyGen:  G07375KG

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	C	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G28454KX GlyCosmos:  G28454KX GlyGen:  G28454KX

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	D, H	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	F	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15228NC GlyCosmos:  G15228NC GlyGen:  G15228NC

Entity ID: 6
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	G	4		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G53389HW GlyCosmos:  G53389HW GlyGen:  G53389HW

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	I [auth A], J [auth A], L [auth A], M [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
FUC	K [auth A]	alpha-L-fucopyranose C6 H12 O5 SHZGCJCMOBCMKK-SXUWKVJYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.66 Å
• R-Value Free: 0.272 
• R-Value Work: 0.244 
• R-Value Observed: 0.245 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.681	α = 90
b = 158.017	β = 90
c = 185.278	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-05-06 
Deposition Author(s): Liu, L., Botos, I., Wang, Y., Leonard, J.N., Shiloach, J., Segal, D.M., Davies, D.R.

Revision History  

• Version 1.0: 2008-05-06
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2023-08-30
  Changes: Data collection, Database references, Refinement description, Structure summary