3F9H

Crystal Structure of the F140A mutant of SARS-Coronovirus 3C-like Protease at pH 7.6


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.62770.1M Tris pH 7.6, 10% PEG 6000, 1mM DTT, 5% DMSO, vapor diffusion, hanging drop, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.2846.13

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.111α = 90
b = 68.144β = 90
c = 148.903γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2008-03-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418

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
12.91598.40.1893.4714073
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)
2.9399.90.3661.93.591402

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONTHROUGHOUT2.914.971405970498.260.2350.2320.294RANDOM22.86
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]
0.53-3.643.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.646
r_dihedral_angle_3_deg15.76
r_dihedral_angle_4_deg15.074
r_dihedral_angle_1_deg4.944
r_angle_refined_deg0.932
r_scangle_it0.581
r_mcangle_it0.471
r_scbond_it0.352
r_nbtor_refined0.3
r_mcbond_it0.262
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.646
r_dihedral_angle_3_deg15.76
r_dihedral_angle_4_deg15.074
r_dihedral_angle_1_deg4.944
r_angle_refined_deg0.932
r_scangle_it0.581
r_mcangle_it0.471
r_scbond_it0.352
r_nbtor_refined0.3
r_mcbond_it0.262
r_nbd_refined0.184
r_symmetry_vdw_refined0.163
r_symmetry_hbond_refined0.16
r_xyhbond_nbd_refined0.136
r_chiral_restr0.062
r_bond_refined_d0.006
r_gen_planes_refined0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4634
Nucleic Acid Atoms
Solvent Atoms21
Heterogen Atoms

Software

Software
Software NamePurpose
d*TREKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
d*TREKdata reduction