7WQI

Crystal structure of SARS coronavirus main protease in complex with PF07304814

• PDB DOI: https://doi.org/10.2210/pdb7WQI/pdb

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


• Deposited: 2022-01-25 Released: 2023-01-25 
• Deposition Author(s): Lin, C., Zhong, F.L., Zhou, X.L., Zeng, P., Zhang, J., Li, J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free: 0.240 
• R-Value Work: 0.214 
• R-Value Observed: 0.215 

Starting Model: experimental

Literature

Crystal structure of SARS coronavirus main protease in complex with PF07304814

Lin, C., Zhong, F.L., Zhou, X.L., Zeng, P., 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: 67.44 kDa 
• Atom Count: 4,564 
• Modelled Residue Count: 598 
• Deposited Residue Count: 598 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3C-like proteinase	A, B	299	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
80I (Subject of Investigation/LOI)	C [auth A], D [auth B]	[(3~{S})-3-[[(2~{S})-2-[(4-methoxy-1~{H}-indol-2-yl)carbonylamino]-4-methyl-pentanoyl]amino]-2-oxidanylidene-4-[(3~{R})-2-oxidanylidene-3,4-dihydropyrrol-3-yl]butyl] dihydrogen phosphate C24 H33 N4 O9 P FQKALOFOWPDTED-WBAXXEDZSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free: 0.240 
• R-Value Work: 0.214 
• R-Value Observed: 0.215 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.429	α = 91.125
b = 60.56	β = 102.615
c = 68.398	γ = 108.445

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: 2023-01-25 
Deposition Author(s): Lin, C., Zhong, F.L., Zhou, X.L., Zeng, P., Zhang, J., Li, J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-01-25
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description