7DQZ

Crystal structure of SARS 3C-like protease in apo form


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1UJ1 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION2930.1M Hepes pH7.5, 10% PEG8000, 8% Ethylene glycol
Crystal Properties
Matthews coefficientSolvent content
3.1761.24

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.484α = 91.307
b = 60.766β = 102.586
c = 68.476γ = 108.657
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2020-12-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL17U10.97915SSRFBL17U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.9946.5994.10.03222.15283741.5470352629
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.992.10.252

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTNONE1UJ11.9933.24758682181.9819249859752634255293.74487942150.2296772132720.2282702408640.25745684292155.2170495857
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d3.52917221501
f_angle_d0.9821650473
f_chiral_restr0.0517786950146
f_bond_d0.00723893283355
f_plane_restr0.00656384544163
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4327
Nucleic Acid Atoms
Solvent Atoms67
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
AUTOMARdata reduction
XSCALEdata scaling
PHENIXphasing