8AJ1

SARS-CoV-2 Mpro in Complex with RK-107

• PDB DOI: https://doi.org/10.2210/pdb8AJ1/pdb

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


• Deposited: 2022-07-27 Released: 2024-09-11 
• Deposition Author(s): El Kilani, H., Hilgenfeld, R.
• Funding Organization(s): European Commission

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.275 
• R-Value Work: 0.195 

Starting Model: experimental

Literature

SARS-CoV-2 Mpro in Complex with RK-107

El Kilani, H., Hilgenfeld, R.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 34.09 kDa 
• Atom Count: 2,408 
• Modelled Residue Count: 304 
• Deposited Residue Count: 304 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3C-like proteinase nsp5	A	304	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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1IMU (Subject of Investigation/LOI)	B [auth A]	(2R,3S)-3-[[(2S)-3-cyclopropyl-2-[2-oxidanylidene-3-(phenylcarbamoylamino)pyridin-1-yl]propanoyl]amino]-N-methyl-2-oxidanyl-4-[(3S)-2-oxidanylidenepyrrolidin-3-yl]butanamide C27 H34 N6 O6 KZJFPIFYXVQIAO-UGYVGDFNSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.275 
• R-Value Work: 0.195 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.234	α = 90
b = 52.955	β = 102.806
c = 45.707	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-11 
Deposition Author(s): El Kilani, H., Hilgenfeld, R.

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Funding Organization	Location	Grant Number
European Commission	European Union	--

Revision History  

• Version 1.0: 2024-09-11
  Type: Initial release