8AIU

Mpro of SARS COV-2 in complex with the MG-97 inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.1M Bis Tris Propane pH 6.50, 2M Sodium formate, 20% w/vPEG 3350, 10% v/vEthylene glycol

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.779	α = 90
b = 63.659	β = 91.057
c = 103.646	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	1.997	42.193	95.7	0.997	14.9	3.6		38735

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	2.07	95.5		0.976

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	1.997	42.193	38735	1909	95.366	0.163	0.1605	0.206	20.607

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]
-0.012		0.004	-0.011		0.023

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.52
r_dihedral_angle_4_deg	15.856
r_dihedral_angle_3_deg	14.282
r_dihedral_angle_1_deg	7.463
r_lrange_it	5.989
r_lrange_other	5.912
r_scangle_it	4.24
r_scangle_other	4.24
r_scbond_it	2.733
r_scbond_other	2.733
r_dihedral_angle_other_3_deg	2.679
r_mcangle_it	2.651
r_mcangle_other	2.65
r_mcbond_it	1.757
r_mcbond_other	1.757
r_angle_refined_deg	1.642
r_angle_other_deg	1.401
r_nbd_other	0.221
r_nbd_refined	0.203
r_symmetry_xyhbond_nbd_refined	0.195
r_symmetry_nbd_refined	0.19
r_symmetry_nbd_other	0.188
r_nbtor_refined	0.172
r_xyhbond_nbd_refined	0.135
r_symmetry_nbtor_other	0.08
r_chiral_restr	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4705
Nucleic Acid Atoms
Solvent Atoms	315
Heterogen Atoms	79

Software

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