9T3J | pdb_00009t3j

Protease from Norovirus Sydney GII.4 strain with crystallization epitope mutation H50Y

• PDB DOI: https://doi.org/10.2210/pdb9T3J/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Norovirus Sydney 2212
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2025-10-27 Released: 2025-12-10 
• Deposition Author(s): Fairhead, M., MacLean, E.M., Ni, X., Wright, N.D., Koekemoer, L., von Delft, F.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.41 Å
• R-Value Free: 
  0.252 (Depositor), 0.252 (DCC) 
• R-Value Work: 
  0.209 (Depositor), 0.209 (DCC) 

Starting Model: experimental

Literature

A fast, parallel method for efficiently exploring crystallization behaviour of large numbers of protein variants

Fairhead, M., Strain-Damerell, C., Ye, M., Mackinnon, S.R., Pinkas, D., MacLean, E.M., Koekemoer, L., Bowesman-Jones, H., Damerell, D., Krojer, T., Arrowsmith, C.H., Edwards, A., Bountra, C., Yue, W., Burgess-Brown, N., Marsden, B., von Delft, F.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 73.75 kDa 
• Atom Count: 5,174 
• Modeled Residue Count: 682 
• Deposited Residue Count: 688 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Genome polyprotein	A, B, C, D	172	Norovirus Sydney 2212	Mutation(s): 1
UniProt
Find proteins for A0A3Q8EAF6 (Norovirus GII) Explore A0A3Q8EAF6  Go to UniProtKB:  A0A3Q8EAF6

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.41 Å
• R-Value Free:  0.252 (Depositor), 0.252 (DCC) 
• R-Value Work:  0.209 (Depositor), 0.209 (DCC) 

Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 128.895	α = 90
b = 128.895	β = 90
c = 118.126	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-12-10 
Deposition Author(s): Fairhead, M., MacLean, E.M., Ni, X., Wright, N.D., Koekemoer, L., von Delft, F.

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Funding Organization	Location	Grant Number
Other private	United States	--

Revision History  

• Version 1.0: 2025-12-10
  Type: Initial release