7T2T

SARS-CoV2 Mpro native form

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		295	30% PEG 3350, 0.1 M Bis-tris propane pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.17	α = 90
b = 53.44	β = 103.02
c = 44.87	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	Flat Si Rh coated mirror	2020-12-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	0.97946	SSRL	BL12-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.45	38.89	98.4	0.072	0.075	0.999	15.98	11.633		46003			31.872

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.45	1.49	98.4		1.391	1.506	0.681	1.76	6.775

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB code: 7k6d	1.45	38.89	43702	2301	98.43	0.1574	0.1551	0.2001	RANDOM	31.989

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
2.59		1.66	-1.93		-1.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.723
r_dihedral_angle_4_deg	16.979
r_dihedral_angle_3_deg	12.887
r_dihedral_angle_1_deg	7.203
r_rigid_bond_restr	3.37
r_angle_refined_deg	1.472
r_angle_other_deg	1.421
r_chiral_restr	0.077
r_bond_refined_d	0.008
r_gen_planes_refined	0.008
r_bond_other_d	0.006
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2358
Nucleic Acid Atoms
Solvent Atoms	227
Heterogen Atoms

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
MOLREP	phasing