2FE8

SARS coronavirus papain-like protease: structure of a viral deubiquitinating enzyme


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.2
Temperature 295.0
Details 1.3 M ammonium sulfate, 100 mM sodium citrate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K, pH 5.20

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 142.87 α = 90
b = 103.07 β = 111.15
c = 91.73 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2005-10-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID -- APS 22-ID

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.85 20 97.6 0.083 -- -- 7.0 -- 103572 -- 0.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.85 1.92 81.2 0.536 -- 2.2 4.4 8584

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MIR 1.85 20.0 -- 0.0 103572 103110 5203 97.7 -- 0.201 0.201 0.229 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.85 1.86 -- -- -- 0.301 0.362 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.98
Anisotropic B[1][1] -0.948
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.428
Anisotropic B[2][2] 1.506
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.558
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.4
c_bond_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7423
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 530

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing version: 2.11
RESOLVE phasing version: 2.11
CNS refinement
PDB_EXTRACT data extraction version: 1.701
MAR345 data collection