8POA

Structure of Coxsackievirus A16 (G-10) 2A protease

• PDB DOI: https://doi.org/10.2210/pdb8POA/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Human coxsackievirus A16 (strain G-10)
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2023-07-04 Released: 2023-08-02 
• Deposition Author(s): Lithgo, R.M., Fairhead, M., Koekemoer, L., Aschenbrenner, J.C., Balcomb, B.H., Godoy, A.S., Marples, P.G., Ni, X., Tomlinson, C.W.E., Thompson, W., Wild, C., Fearon, D., Walsh, M.A., von Delft, F.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.210 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 

Literature

Structure of EV A71 2A protease - to be published

Lithgo, R.M., 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: equilibrium centrifugation

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 32.1 kDa 
• Atom Count: 2,580 
• Modelled Residue Count: 280 
• Deposited Residue Count: 288 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protease 2A	A, B	144	Human coxsackievirus A16 (strain G-10)	Mutation(s): 0  EC: 3.4.22.29
UniProt
Find proteins for Q65900 (Coxsackievirus A16 (strain G-10)) Explore Q65900  Go to UniProtKB:  Q65900

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A], E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN (Subject of Investigation/LOI)	D [auth A], F [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.210 
• R-Value Work: 0.186 
• R-Value Observed: 0.187 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 86.128	α = 90
b = 57.199	β = 95.23
c = 64.631	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
autoPROC	data reduction
autoPROC	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-02 
Deposition Author(s): Lithgo, R.M., Fairhead, M., Koekemoer, L., Aschenbrenner, J.C., Balcomb, B.H., Godoy, A.S., Marples, P.G., Ni, X., Tomlinson, C.W.E., Thompson, W., Wild, C., Fearon, D., Walsh, M.A., von Delft, F.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	U19AI71399

Revision History  

• Version 1.0: 2023-08-02
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Derived calculations, Source and taxonomy, Structure summary