8AIV

Mpro of SARS COV-2 in complex with the MG-100 inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.02 M sodium/potassium phosphate, 0.1 M Bis Tris propane pH6.5, 20 % w/v PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.836	α = 90
b = 63.408	β = 91.103
c = 103.374	γ = 90

Symmetry
Space Group	P 1 21 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 EIGER X 16M		2021-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, DESY BEAMLINE P11	1.0332	PETRA III, DESY	P11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.6	40.06	98.3	0.989	8	3.5		18139

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.69			0.721

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6y2e	2.6	40.06	18139	917	98.341	0.185	0.1815	0.2517	31.644

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]
-0.201		-0.024	-0.056		0.258

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.581
r_dihedral_angle_3_deg	19.086
r_dihedral_angle_4_deg	16.905
r_dihedral_angle_1_deg	8.119
r_lrange_it	6.099
r_lrange_other	6.099
r_dihedral_angle_other_3_deg	4.546
r_scangle_it	3.851
r_scangle_other	3.85
r_mcangle_it	3.675
r_mcangle_other	3.675
r_scbond_it	2.414
r_scbond_other	2.414
r_mcbond_it	2.255
r_mcbond_other	2.254
r_angle_refined_deg	1.594
r_angle_other_deg	1.234
r_symmetry_nbd_refined	0.234
r_nbd_refined	0.211
r_nbd_other	0.207
r_symmetry_nbd_other	0.189
r_nbtor_refined	0.171
r_xyhbond_nbd_refined	0.157
r_symmetry_xyhbond_nbd_other	0.141
r_symmetry_xyhbond_nbd_refined	0.104
r_symmetry_nbtor_other	0.08
r_chiral_restr	0.066
r_bond_refined_d	0.008
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4734
Nucleic Acid Atoms
Solvent Atoms	54
Heterogen Atoms	75

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing