5TFN

CRYSTAL STRUCTURE OF THE ZIKA VIRUS NS2B-NS3 PROTEASE in super-open conformation

• PDB DOI: https://doi.org/10.2210/pdb5TFN/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Zika virus
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): Yes 


• Deposited: 2016-09-26 Released: 2017-10-25 
• Deposition Author(s): Aleshin, A.E., Bankston, L., Liddington, R.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.259 
• R-Value Work: 0.210 
• R-Value Observed: 0.213 

Starting Model: experimental

Literature

A novel conformation for the Zika virus NS2B-NS3 protease offers new insights into biological regulation and inhibitor design.

Aleshin, A.E., Bankston, L., Shiryaev, S.A., Terskikh, A., Strongin, A., Liddington, R.C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 51.02 kDa 
• Atom Count: 2,475 
• Modelled Residue Count: 325 
• Deposited Residue Count: 482 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NS2B-NS3 Protease CHIMERA,Genome polyprotein	A, B	241	Zika virus	Mutation(s): 1
UniProt
Find proteins for Q32ZE1 (Zika virus) Explore Q32ZE1  Go to UniProtKB:  Q32ZE1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.259 
• R-Value Work: 0.210 
• R-Value Observed: 0.213 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.956	α = 90
b = 54.956	β = 90
c = 250.108	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-10-25 
Deposition Author(s): Aleshin, A.E., Bankston, L., Liddington, R.C.

Revision History  

• Version 1.0: 2017-10-25
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-10-16
  Changes: Structure summary