3SCL

Crystal structure of spike protein receptor-binding domain from SARS coronavirus epidemic strain complexed with human-civet chimeric receptor ACE2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION8.5295100 mM Tris, pH 8.5, 20% PEG6000, 100 mM sodium chloride, EVAPORATION, temperature 295K
Crystal Properties
Matthew coefficientSolvent content
3.0459.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.67α = 90
b = 119.523β = 92.5
c = 113.532γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-EAPS24-ID-E

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
135097.7437444273822
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
133.1195.1

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT347.5539318206694.690.241530.238810.29178RANDOM77.41
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]
1.877.82-1.270.08
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.499
r_dihedral_angle_3_deg19.266
r_dihedral_angle_4_deg15.6
r_dihedral_angle_1_deg5.86
r_scangle_it2.647
r_mcangle_it1.922
r_scbond_it1.625
r_angle_refined_deg1.361
r_rigid_bond_restr1.121
r_mcbond_it1.054
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.499
r_dihedral_angle_3_deg19.266
r_dihedral_angle_4_deg15.6
r_dihedral_angle_1_deg5.86
r_scangle_it2.647
r_mcangle_it1.922
r_scbond_it1.625
r_angle_refined_deg1.361
r_rigid_bond_restr1.121
r_mcbond_it1.054
r_chiral_restr0.092
r_bond_refined_d0.012
r_gen_planes_refined0.006
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_bond_other_d
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_sphericity_bonded
r_mcbond_other
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_sphericity_free
r_xyhbond_nbd_other
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms12518
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms4

Software

Software
Software NamePurpose
REFMACrefinement
CNSrefinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing