2WQR

The high resolution crystal structure of IgE Fc

• PDB DOI: https://doi.org/10.2210/pdb2WQR/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Mus musculus
• Mutation(s): Yes 


• Deposited: 2009-08-26 Released: 2010-11-03 
• Deposition Author(s): Dhaliwal, B., Sutton, B.J., Beavil, A.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.234 
• R-Value Work: 0.193 
• R-Value Observed: 0.195 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 74.57 kDa 
• Atom Count: 5,725 
• Modelled Residue Count: 642 
• Deposited Residue Count: 646 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IG EPSILON CHAIN C REGION	A, B	323	Homo sapiens	Mutation(s): 2
UniProt & NIH Common Fund Data Resources
Find proteins for P01854 (Homo sapiens) Explore P01854  Go to UniProtKB:  P01854
PHAROS:  P01854 GTEx:  ENSG00000211891

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D 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, D	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G22768VO GlyCosmos:  G22768VO GlyGen:  G22768VO

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PG4	K [auth B]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
TRS	I [auth A]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O
SO4	E [auth A], F [auth A], G [auth A], L [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	H [auth A], J [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.234 
• R-Value Work: 0.193 
• R-Value Observed: 0.195 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 130.502	α = 90
b = 75.282	β = 90
c = 79.144	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-03 
Deposition Author(s): Dhaliwal, B., Sutton, B.J., Beavil, A.J.

Revision History  

• Version 1.0: 2010-11-03
  Type: Initial release
  
• Version 1.1: 2011-05-12
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-07-12
  Changes: Derived calculations
• Version 1.4: 2019-05-08
  Changes: Data collection, Experimental preparation
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary
• Version 2.1: 2023-12-20
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description, Structure summary