7BE7

Crystal structure of MG-132 covalently bound to the main protease (3CLpro/Mpro) of SARS-CoV-2.

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ELETTRA BEAMLINE 11.2C
Synchrotron site	ELETTRA
Beamline	11.2C
Temperature [K]	100
Detector technology	PIXEL
Collection date	2020-12-16
Detector	DECTRIS PILATUS 6M
Wavelength(s)	1.0000
Spacegroup name	P 21 21 21
Unit cell lengths	67.898, 99.240, 103.375
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	45.840 - 1.680
R-factor	0.1778
Rwork	0.177
R-free	0.20130
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	7bb2
RMSD bond length	0.005
RMSD bond angle	0.901
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	PHENIX (1.19_4085)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	99.240	1.710
High resolution limit [Å]	1.680	1.680
Rmerge	0.098
Number of reflections	80180	4066
<I/σ(I)>	11.9
Completeness [%]	99.9
Redundancy	7
CC(1/2)	0.999	0.619

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	0.12M Ethylene glycols (Diethylene glycol; Triethylene glycol; Tetraethylene glycol; Pentaethylene glycol) 0.1M Tris/BICINE pH 8.5, 20% v/v PEG 500 MME; 10 % w/v PEG 20000