7UU9

Crystal structure of the SARS-CoV-2 main protease in its apo-form

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU MICROMAX-007 HF
Temperature [K]	120
Detector technology	PIXEL
Collection date	2021-02-08
Detector	Bruker PHOTON II
Wavelength(s)	1.54301
Spacegroup name	I 1 2 1
Unit cell lengths	51.504, 83.059, 87.897
Unit cell angles	90.00, 96.18, 90.00

Refinement procedure

Resolution	24.350 - 2.470
R-factor	0.2035
Rwork	0.201
R-free	0.25330
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	7jpy
RMSD bond length	0.010
RMSD bond angle	1.210
Data reduction software	PROTEUM PLUS
Data scaling software	Aimless
Phasing software	PHENIX
Refinement software	PHENIX (1.19.2_4158)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	24.350	2.580
High resolution limit [Å]	2.470	2.470
Number of reflections	13109	1390
<I/σ(I)>	14.2
Completeness [%]	99.2
Redundancy	9.7
CC(1/2)	0.998	0.920

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		289	0.1 M Bis-tris, pH6.5, 16% w/v PEG10k