3SE3

human IFNa2-IFNAR ternary complex

• PDB DOI: https://doi.org/10.2210/pdb3SE3/pdb

• Classification: IMMUNE SYSTEM RECEPTOR
• Organism(s): Homo sapiens
• Expression System: Trichoplusia ni, Escherichia coli
• Mutation(s): Yes 


• Deposited: 2011-06-10 Released: 2011-08-31 
• Deposition Author(s): Thomas, C., Garcia, K.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 4.00 Å
• R-Value Free: 0.311 
• R-Value Work: 0.251 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 90.14 kDa 
• Atom Count: 4,462 
• Modelled Residue Count: 596 
• Deposited Residue Count: 779 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Interferon alpha/beta receptor 1	A	414	Homo sapiens	Mutation(s): 0  Gene Names: IFNAR1, IFNAR
UniProt & NIH Common Fund Data Resources
Find proteins for P17181 (Homo sapiens) Explore P17181  Go to UniProtKB:  P17181
PHAROS:  P17181 GTEx:  ENSG00000142166

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Interferon alpha 2b	B	166	Homo sapiens	Mutation(s): 3
UniProt & NIH Common Fund Data Resources
Find proteins for P01563 (Homo sapiens) Explore P01563  Go to UniProtKB:  P01563
PHAROS:  P01563 GTEx:  ENSG00000188379

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Interferon alpha/beta receptor 2	C	199	Homo sapiens	Mutation(s): 0  Gene Names: IFNAR2, IFNABR, IFNARB
UniProt & NIH Common Fund Data Resources
Find proteins for P48551 (Homo sapiens) Explore P48551  Go to UniProtKB:  P48551
PHAROS:  P48551 GTEx:  ENSG00000159110

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
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: 4.00 Å
• R-Value Free: 0.311 
• R-Value Work: 0.251 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.37	α = 90
b = 93.37	β = 90
c = 401.5	γ = 120

Software Package:

Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-31 
Deposition Author(s): Thomas, C., Garcia, K.C.

Revision History  

• Version 1.0: 2011-08-31
  Type: Initial release
  
• Version 1.1: 2012-03-21
  Changes: Database references
• Version 1.2: 2013-08-21
  Changes: Structure summary
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.4: 2023-09-13
  Changes: Data collection, Database references, Refinement description, Structure summary