3AW1

Structure of SARS 3CL protease auto-proteolysis resistant mutant in the absent of inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2ZU5 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP62779-11%(w/v) PEG20000, 100mM MES pH 6.0, 5mM DTT , VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.2361.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.13α = 71.23
b = 67.454β = 77.46
c = 67.384γ = 81.74
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDADSC QUANTUM 315r2009-03-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-5A1.000Photon FactoryBL-5A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
123097.20.0380.03824.33.85565955659-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0395.80.1750.1756.13.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2ZU5229.955565951940277995.230.225720.223710.26266RANDOM37.774
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]
-0.210.130.11-0.060.110.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.615
r_dihedral_angle_4_deg17.9
r_dihedral_angle_3_deg16.89
r_dihedral_angle_1_deg7.164
r_scangle_it4.865
r_scbond_it3.327
r_mcangle_it2.198
r_angle_refined_deg2.007
r_mcbond_it1.272
r_chiral_restr0.164
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.615
r_dihedral_angle_4_deg17.9
r_dihedral_angle_3_deg16.89
r_dihedral_angle_1_deg7.164
r_scangle_it4.865
r_scbond_it3.327
r_mcangle_it2.198
r_angle_refined_deg2.007
r_mcbond_it1.272
r_chiral_restr0.164
r_bond_refined_d0.023
r_gen_planes_refined0.011
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 Atoms4652
Nucleic Acid Atoms
Solvent Atoms140
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling