9F7T | pdb_00009f7t

SARS-CoV-2 papain-like protease (PLpro) C112S-K191D-K229R mutant: dimer

• PDB DOI: https://doi.org/10.2210/pdb9F7T/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Severe acute respiratory syndrome coronavirus 2
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-05-04 Released: 2025-05-14 
• Deposition Author(s): Camara-Artigas, A.
• Funding Organization(s): Other government

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 
  0.233 (Depositor), 0.228 (DCC) 
• R-Value Work: 
  0.210 (Depositor), 0.207 (DCC) 
• R-Value Observed: 
  0.211 (Depositor) 

Starting Model: experimental

Literature

SARS-CoV-2 papain-like protease (PLpro) C112S-K191D-K229R mutant

Camara-Artigas, A.

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: light scattering

Macromolecule Content 

• Total Structure Weight: 37.19 kDa 
• Atom Count: 2,562 
• Modeled Residue Count: 312 
• Deposited Residue Count: 325 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Replicase polyprotein 1ab	A	325	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 3  Gene Names: rep, 1a-1b EC: 3.4.19.12 (PDB Primary Data), 3.4.22 (PDB Primary Data)
UniProt
Find proteins for P0DTD1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTD1  Go to UniProtKB:  P0DTD1

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	B [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
ZN	E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CL	C [auth A], D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	F [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free:  0.233 (Depositor), 0.228 (DCC) 
• R-Value Work:  0.210 (Depositor), 0.207 (DCC) 
• R-Value Observed: 0.211 (Depositor) 

Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 140.637	α = 90
b = 140.637	β = 90
c = 141.434	γ = 90

Software Package:

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

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-05-14 
Deposition Author(s): Camara-Artigas, A.

---

Funding Organization	Location	Grant Number
Other government	Spain	P20_00149

Revision History  

• Version 1.0: 2025-05-14
  Type: Initial release