3INK

UNRAVELING THE STRUCTURE OF INTERLEUKIN-2: REPLY

• PDB DOI: https://doi.org/10.2210/pdb3INK/pdb

• Classification: CYTOKINE
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 1992-12-09 Released: 1993-10-31 
• Deposition Author(s): Mckay, D.B., Brandhuber, B.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Work: 0.202 
• R-Value Observed: 0.202 

Literature

Response.

McKay, D.B.

(1992) Science 257: 412-413

• PubMed: 17832837 
• DOI: https://doi.org/10.1126/science.257.5068.412
• Primary Citation of Related Structures:  
  3INK

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 30.81 kDa 
• Atom Count: 1,996 
• Modelled Residue Count: 244 
• Deposited Residue Count: 266 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
INTERLEUKIN-2	A [auth C], B [auth D]	133	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P60568 (Homo sapiens) Explore P60568  Go to UniProtKB:  P60568
PHAROS:  P60568 GTEx:  ENSG00000109471

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Work: 0.202 
• R-Value Observed: 0.202 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.8	α = 90
b = 40.1	β = 109.3
c = 33.7	γ = 93.2

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1993-10-31 
Deposition Author(s): Mckay, D.B., Brandhuber, B.J.

Revision History  

• Version 1.0: 1993-10-31
  Type: Initial release
  
• Version 1.1: 2008-03-25
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2013-09-04
  Changes: Database references
• Version 1.4: 2024-06-05
  Changes: Data collection, Database references, Other
• Version 1.5: 2024-10-30
  Changes: Structure summary