7RBR

The crystal structure of Papain-Like Protease of SARS CoV-2, C111S mutant, in complex with a Lys48-linked di-ubiquitin

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6WRH	6WRH, 5E6J
experimental model	PDB	5E6J	6WRH, 5E6J

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	280	0.2 M di-sodium tartrate, 20% PEG-3350,

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 148.046	α = 90
b = 50.136	β = 111.84
c = 71.927	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 PILATUS3 X 6M		2021-04-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9792	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim 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	1.88	47.14	96.1	0.106	0.127	0.068	0.986	6.5	3.2		38678

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.88	1.91	74.2		0.929	1.197	0.745	0.52	1.1	2.2

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	6WRH, 5E6J	1.88	47.14	36778	1900	95.92	0.1888	0.1867	0.2284	RANDOM	43.873

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]
2.78		2.11	-1.21		-2.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.567
r_dihedral_angle_3_deg	14.813
r_dihedral_angle_4_deg	13.253
r_dihedral_angle_1_deg	6.133
r_angle_refined_deg	1.588
r_angle_other_deg	1.325
r_chiral_restr	0.071
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.567
r_dihedral_angle_3_deg	14.813
r_dihedral_angle_4_deg	13.253
r_dihedral_angle_1_deg	6.133
r_angle_refined_deg	1.588
r_angle_other_deg	1.325
r_chiral_restr	0.071
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3088
Nucleic Acid Atoms
Solvent Atoms	169
Heterogen Atoms	11

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data scaling
PDB_EXTRACT	data extraction
HKL-3000	data reduction
HKL-3000	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.