7TX5

Neutron crystal structure of SARS-CoV-2 NSP3 macrodomain in complex with ADP-ribose at 293 K (C2 crystal form)

X-RAY DIFFRACTION - NEUTRON DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7KQO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	100 mM MES pH 6.5, 25% PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 132.808	α = 90
b = 36.653	β = 98.09
c = 38.233	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	293	PIXEL	DECTRIS EIGER R 4M	OSMIC VARIMAX	2021-08-30	M	SINGLE WAVELENGTH
2	1	neutron	293	AREA DETECTOR	ORNL ANGER CAMERA	COLLIMATORS	2021-08-30	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54
2	SPALLATION SOURCE	ORNL High Flux Isotope Reactor BEAMLINE CG4D	3.3-4.5	ORNL High Flux Isotope Reactor	CG4D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	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	1.95	65.74	92.9	0.07			0.036	0.992		19.2	5.6		12576
2	2.3	35.07	75.4	0.151			0.118	0.954		4.4	4		6252

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.95	2.02		0.236				0.954		6	5.3
2	2.3	2.4		0.281				0.61		3.2	4.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.95	28.12				12572	608	92.89			0.1322	0.1719	RANDOM	33.44
NEUTRON DIFFRACTION	MOLECULAR REPLACEMENT	2.3	32.87				6250	330	75.11			0.1873	0.2592	RANDOM	33.44

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	22.5981
f_dihedral_angle_d	22.5981
f_angle_d	1.3541
f_angle_d	1.3541
f_chiral_restr	0.0653
f_chiral_restr	0.0653
f_bond_d	0.0099
f_bond_d	0.0099
f_plane_restr	0.0062
f_plane_restr	0.0062

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1256
Nucleic Acid Atoms
Solvent Atoms	99
Heterogen Atoms	36

Software

Software
Software Name	Purpose
PHENIX	refinement
Coot	model building
PHASER	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.