8Y4E | pdb_00008y4e

Crystal structure of SARS main protease in complex with Bofutrelvir

• PDB DOI: https://doi.org/10.2210/pdb8Y4E/pdb

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


• Deposited: 2024-01-30 Released: 2025-01-08 
• Deposition Author(s): Lin, C., Wang, W.W., Zhang, J., Li, J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free: 
  0.274 (Depositor), 0.275 (DCC) 
• R-Value Work: 
  0.238 (Depositor), 0.238 (DCC) 
• R-Value Observed: 
  0.240 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of SARS main protease in complex with Bofutrelvir

Lin, C., Wang, W.W., 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: 67.04 kDa 
• Atom Count: 4,610 
• Modeled Residue Count: 596 
• Deposited Residue Count: 596 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3C-like proteinase nsp5	A, B	298	Severe acute respiratory syndrome-related coronavirus	Mutation(s): 0  Gene Names: 1a EC: 3.4.22.69
UniProt
Find proteins for P0C6U8 (Severe acute respiratory syndrome coronavirus) Explore P0C6U8  Go to UniProtKB:  P0C6U8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FHR (Subject of Investigation/LOI)	C [auth A], D [auth B]	~{N}-[(2~{S})-3-cyclohexyl-1-oxidanylidene-1-[[(2~{S})-1-oxidanylidene-3-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]propan-2-yl]amino]propan-2-yl]-1~{H}-indole-2-carboxamide C25 H32 N4 O4 HPKJGHVHQWJOOT-ZJOUEHCJSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_002347 (FHR)	C [auth A], D [auth B]	~{N}-[(2~{S})-3-cyclohexyl-1-oxidanylidene-1-[[(2~{S})-1-oxidanylidene-3-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]propan-2-yl]amino]propan-2-yl]-1~{H}-indole-2-carboxamide	Peptide-like / Inhibitor

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.04 Å
• R-Value Free:  0.274 (Depositor), 0.275 (DCC) 
• R-Value Work:  0.238 (Depositor), 0.238 (DCC) 
• R-Value Observed: 0.240 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.008	α = 91.952
b = 59.787	β = 102.776
c = 67.836	γ = 108.403

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-01-08 
Deposition Author(s): Lin, C., Wang, W.W., Zhang, J., Li, J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-01-08
  Type: Initial release