2Z81

Crystal structure of the TLR1-TLR2 heterodimer induced by binding of a tri-acylated lipopeptide

• PDB DOI: https://doi.org/10.2210/pdb2Z81/pdb

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


• Deposited: 2007-08-30 Released: 2007-10-02 
• Deposition Author(s): Lee, J.O., Jin, M.S., Kim, S.E., Heo, J.Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.232 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 

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: 64.26 kDa 
• Atom Count: 4,802 
• Modelled Residue Count: 549 
• Deposited Residue Count: 549 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Toll-like receptor 2, Variable lymphocyte receptor B	A	549	Mus musculus, Eptatretus burgeri This entity is chimeric	Mutation(s): 0  Gene Names: Tlr2, VLRB
UniProt
Find proteins for Q9QUN7 (Mus musculus) Explore Q9QUN7  Go to UniProtKB:  Q9QUN7

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G62182OO GlyCosmos:  G62182OO GlyGen:  G62182OO

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PCJ	E [auth A]	(2R)-3-{[(2S)-3-HYDROXY-2-(PALMITOYLAMINO)PROPYL]THIO}PROPANE-1,2-DIYL DIHEXADECANOATE C54 H105 N O6 S GBQDHEZHWNJSLG-OKPYTHRESA-N
NAG	D [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.232 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.303	α = 90
b = 81.549	β = 90
c = 98.961	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-10-02 
Deposition Author(s): Lee, J.O., Jin, M.S., Kim, S.E., Heo, J.Y.

Revision History  

• Version 1.0: 2007-10-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2017-08-16
  Changes: Refinement description, Source and taxonomy
• 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: 2023-11-01
  Changes: Data collection, Database references, Refinement description, Structure summary