X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 14% PEG8000, 50MM MES PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.02 α = 90
b = 108.84 β = 112.46
c = 77.74 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
1.4 30 99.4 0.063 -- -- 17.4 -- 200813 -- 0.0 23.3
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)
1.4 1.45 98.3 0.83 -- 1.9 -- --

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 1.4 29.98 -- 0.0 -- 187755 9329 93.0 -- 0.218 0.218 0.231 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 1.4 1.45 -- 783 14792 0.365 0.371 0.013 77.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 31.5
Anisotropic B[1][1] -4.78
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.19
Anisotropic B[2][2] 2.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.23
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.76
c_scbond_it 3.01
c_mcangle_it 2.69
c_bond_d 0.008
c_scangle_it 4.15
c_angle_deg 1.4
c_improper_angle_d 0.86
c_dihedral_angle_d 25.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6624
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 568

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
EPMR phasing