X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 100 MM TRIS-HCL PH 8.0, 9% PEG 8000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.65 α = 90
b = 85.82 β = 90
c = 139.46 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2001-09-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.8 30 99.9 -- 0.085 -- 4.0 -- 206775 -- -- 85.0
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)
2.8 2.9 100.0 -- 0.255 2.4 4.1 --

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 2.8 29.95 -- 0.0 -- 25358 1225 99.8 -- 0.244 0.244 0.268 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 2.8 2.98 -- 201 3963 0.403 0.439 0.031 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 65.4
Anisotropic B[1][1] 2.64
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.73
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.79
c_bond_d 0.008
c_angle_deg 1.3
c_dihedral_angle_d 22.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.46
Luzzati Sigma A (Observed) 0.53
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.54
Luzzati Sigma A (R-Free Set) 0.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5461
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 75

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MOSFLM data reduction
SCALA data scaling
AMoRE phasing