6Z4U

X-ray Crystallographic Structure of Orf9b from SARS-CoV-2


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2CME 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5293.15Protein at 8.3 mg/ml in 20 mM Tris pH 7.0 150 mM NaCl, 1mM DTT was mixed in a 3:2 ratio with the MORPHEUS crystallization screen condition E4 (Tube 2-4; 0.12 M Ethylene glycols 0.1 M Buffer System 1 pH 6.5 37.5 % v/v Precipitant Mix 4)
Crystal Properties
Matthews coefficientSolvent content
1.9837.83

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.03α = 90
b = 64.571β = 90
c = 73.536γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2020-05-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS-II BEAMLINE 17-ID-20.979329NSLS-II17-ID-2

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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.9536.7799.30.1230.1330.050.9348.57.413064
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)RedundancyNumber Unique Reflections (All)
11.951.9995.10.7830.8380.2910.8937.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2CME1.9536.771236363999.50.21940.21750.2567RANDOM33.585
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]
-0.112.13-2.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.83
r_dihedral_angle_4_deg17.032
r_dihedral_angle_3_deg16.957
r_dihedral_angle_1_deg8.277
r_angle_refined_deg1.704
r_chiral_restr0.105
r_bond_refined_d0.009
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1249
Nucleic Acid Atoms
Solvent Atoms49
Heterogen Atoms14

Software

Software
Software NamePurpose
REFMACrefinement
DIALSdata reduction
Aimlessdata scaling
MOLREPphasing