Biological Assembly 1  

Global Symmetry: Cyclic - C3  (3D View)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 107.81 kDa 
• Atom Count: 7,371 
• Modelled Residue Count: 926 
• Deposited Residue Count: 951 
• Unique protein chains: 1

 6W9C

The crystal structure of papain-like protease of SARS CoV-2

• PDB DOI:  https://doi.org/10.2210/pdb6W9C/pdb

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


• Deposited: 2020-03-22 Released: 2020-04-01 
• Deposition Author(s): Osipiuk, J., Jedrzejczak, R., Tesar, C., Endres, M., Stols, L., Babnigg, G., Kim, Y., Michalska, K., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.279 
• R-Value Work: 0.235 
• R-Value Observed: 0.237 

Literature

The crystal structure of papain-like protease of SARS CoV-2

Osipiuk, J., Jedrzejczak, R., Tesar, C., Endres, M., Stols, L., Babnigg, G., Kim, Y., Michalska, K., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Non-structural protein 3	A, B, C	317	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  Gene Names: rep, 1a-1b EC: 3.4.19.12 (PDB Primary Data), 3.4.22 (UniProt), 3.4.22.69 (UniProt), 2.7.7.48 (UniProt), 3.6.4.12 (UniProt), 3.6.4.13 (UniProt), 3.1.13 (UniProt), 4.6.1 (UniProt), 2.1.1.57 (UniProt)
UniProt
Find proteins for P0DTD1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTD1  Go to UniProtKB:  P0DTD1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	D [auth A], F [auth B], H [auth C], I [auth C]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CL	E [auth A], G [auth B], J [auth C]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.279 
• R-Value Work: 0.235 
• R-Value Observed: 0.237 
• Space Group: C 1 2 1
• Diffraction Data: https://doi.org/10.18430/m36w9c

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 190.786	α = 90
b = 110.28	β = 96.22
c = 64.069	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-3000	data scaling
PDB_EXTRACT	data extraction
HKL-3000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-04-01 
Deposition Author(s): Osipiuk, J., Jedrzejczak, R., Tesar, C., Endres, M., Stols, L., Babnigg, G., Kim, Y., Michalska, K., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201200026C
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201700060C

Revision History  

• Version 1.0: 2020-04-01
  Type: Initial release
  
• Version 2.0: 2020-05-06
  Changes: Atomic model, Data collection, Database references, Derived calculations, Source and taxonomy, Structure summary
• Version 3.0: 2020-10-21
  Type: Coordinate replacement
  Reason: Polymer geometry
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Refinement description, Structure summary
• Version 3.1: 2021-01-27
  Changes: Structure summary