X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 293.0
Details PEG 8000 (10/20%), 50 mM HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.02 α = 70.19
b = 51.62 β = 84.11
c = 72.89 γ = 81.51
Symmetry
Space Group P 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-06-08
CCD ADSC QUANTUM 4 -- 1999-02-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 0.929 CHESS A1
SYNCHROTRON CHESS BEAMLINE A1 0.935 CHESS A1

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
1.49 50 86.5 0.049 0.049 -- 2.6 69837 69837 0.0 -3.0 12.8
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)
1.5 1.55 36.9 0.123 0.123 5.9 1.5 2979

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
MOLECULAR REPLACEMENT 1.5 48.21 0.0 0.0 68784 68784 1396 88.1 0.182 0.182 0.182 0.203 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 1.5 1.55 3795 91 2979 0.212 0.225 0.022 48.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic B-factors
Mean Isotropic B 16.4
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_mcbond_it 1.039
c_scbond_it 1.808
c_angle_deg 1.41
c_dihedral_angle_d 22.1
c_improper_angle_d 0.81
c_mcangle_it 1.574
c_scangle_it 2.644
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.161
Luzzati Sigma A (Observed) 0.089
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.184
Luzzati Sigma A (R-Free Set) 0.081
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3925
Nucleic Acid Atoms 0
Heterogen Atoms 80
Solvent Atoms 559

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
EPMR Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
DENZO data collection
SCALEPACK data reduction
EPMR model building
CNS refinement