3BES

Structure of a Poxvirus ifngbp/ifng Complex

• PDB DOI: https://doi.org/10.2210/pdb3BES/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, Ectromelia virus
• Expression System: Escherichia coli, Drosophila melanogaster
• Mutation(s): No 


• Deposited: 2007-11-20 Released: 2008-02-12 
• Deposition Author(s): Nuara, A.A., Walter, M.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.245 
• R-Value Work: 0.219 
• R-Value Observed: 0.219 

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Hetero 8-mer - A4B4 

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.15 kDa 
• Atom Count: 3,420 
• Modelled Residue Count: 383 
• Deposited Residue Count: 389 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Interferon gamma	A [auth L]	139	Homo sapiens	Mutation(s): 0  Gene Names: IFNG
UniProt & NIH Common Fund Data Resources
Find proteins for P01579 (Homo sapiens) Explore P01579  Go to UniProtKB:  P01579
PHAROS:  P01579 GTEx:  ENSG00000111537

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Interferon-gamma binding protein C4R	B [auth R]	250	Ectromelia virus	Mutation(s): 0  Gene Names: C4R, IFNGR
UniProt
Find proteins for Q66793 (Ectromelia virus) Explore Q66793  Go to UniProtKB:  Q66793

Oligosaccharides

Help

Entity ID: 3
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	C [auth A]	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	E [auth R]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
PO4	D [auth L], F [auth R], G [auth R]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.245 
• R-Value Work: 0.219 
• R-Value Observed: 0.219 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.63	α = 90
b = 119.13	β = 90
c = 184.74	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-02-12 
Deposition Author(s): Nuara, A.A., Walter, M.R.

Revision History  

• Version 1.0: 2008-02-12
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-01-24
  Changes: Structure summary
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary