8WSK

Crystal structure of SARS-Cov-2 main protease, pH=8.5

• PDB DOI: https://doi.org/10.2210/pdb8WSK/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Severe acute respiratory syndrome coronavirus 2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-10-17 Released: 2024-10-02 
• Deposition Author(s): Jiang, H.H., Zhou, X.L., Zhang, J., Li, J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 0.251 
• R-Value Work: 0.222 
• R-Value Observed: 0.223 

Starting Model: experimental

Literature

Crystal structure of SARS-Cov-2 main protease, pH=8.5

Jiang, H.H., Zhou, X.L., Zhang, J., Li, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 65.66 kDa 
• Atom Count: 4,575 
• Modelled Residue Count: 585 
• Deposited Residue Count: 592 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3C-like proteinase nsp5	A, B	296	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  EC: 3.4.22.69
UniProt
Find proteins for P0DTC1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC1  Go to UniProtKB:  P0DTC1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 0.251 
• R-Value Work: 0.222 
• R-Value Observed: 0.223 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.006	α = 90
b = 102.902	β = 90
c = 103.468	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-10-02 
Deposition Author(s): Jiang, H.H., Zhou, X.L., Zhang, J., Li, J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-10-02
  Type: Initial release