1AU1

HUMAN INTERFERON-BETA CRYSTAL STRUCTURE

• PDB DOI: https://doi.org/10.2210/pdb1AU1/pdb

• Classification: INTERFERON
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): No 


• Deposited: 1997-09-09 Released: 1998-06-17 
• Deposition Author(s): Karpusas, M., Nolte, M., Lipscomb, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.283 
• R-Value Work: 0.223 
• R-Value Observed: 0.223 

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: 41.64 kDa 
• Atom Count: 2,976 
• Modelled Residue Count: 329 
• Deposited Residue Count: 332 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
INTERFERON-BETA	A, B	166	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P01574 (Homo sapiens) Explore P01574  Go to UniProtKB:  P01574
PHAROS:  P01574 GTEx:  ENSG00000171855

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-3)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-[alpha-D-quinovopyranose-(1-6)]beta-D-glucopyranose	C	7		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G32128RU GlyCosmos:  G32128RU

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-quinovopyranose-(1-6)-beta-D-glucopyranose	D	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G79016OO GlyCosmos:  G79016OO

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	E [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.283 
• R-Value Work: 0.223 
• R-Value Observed: 0.223 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.3	α = 90
b = 65.9	β = 90
c = 121.5	γ = 90

Software Package:

Software Name	Purpose
bioteX	data collection
AMoRE	phasing
X-PLOR	model building
X-PLOR	refinement
bioteX	data reduction
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-06-17 
Deposition Author(s): Karpusas, M., Nolte, M., Lipscomb, W.

Revision History  

• Version 1.0: 1998-06-17
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2017-10-25
  Changes: Advisory, Atomic model, Refinement description, Structure summary
• Version 3.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary