3SNC

Crystal structure of SARS coronavirus main protease complexed with Ac-NSTSQ-H (soaking)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP68% PEG 6000, 0.1 M MES, 3% MPD, 3% DMSO, pH 6.0, VAPOR DIFFUSION, SITTING DROP
Crystal Properties
Matthews coefficientSolvent content
3.3363.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 107.83α = 90
b = 82.46β = 104.65
c = 53.32γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200CCDMAR CCD 165 mm2009-07-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X130.8123EMBL/DESY, HamburgX13

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.5826.5896.71393813938-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.582.64696.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.5826.58139381324169797.330.218780.218780.21540.28037RANDOM56.432
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]
0.19-0.09-0.370.13
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.871
r_dihedral_angle_3_deg20.211
r_dihedral_angle_4_deg18.517
r_dihedral_angle_1_deg7.394
r_scangle_it3.576
r_scbond_it2.274
r_angle_refined_deg1.707
r_mcangle_it1.641
r_mcbond_it0.902
r_chiral_restr0.109
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.871
r_dihedral_angle_3_deg20.211
r_dihedral_angle_4_deg18.517
r_dihedral_angle_1_deg7.394
r_scangle_it3.576
r_scbond_it2.274
r_angle_refined_deg1.707
r_mcangle_it1.641
r_mcbond_it0.902
r_chiral_restr0.109
r_bond_refined_d0.016
r_gen_planes_refined0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2410
Nucleic Acid Atoms
Solvent Atoms55
Heterogen Atoms4

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling