X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 18% PEG6000, 100MM TRIS, PH 8.5, 5MM NACL, 5MM MGCL2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 145.11 α = 90
b = 165.86 β = 90
c = 109.93 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-10-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B 0.8445,1.2832,1.2834 EMBL/DESY, Hamburg BW7B

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
2.4 20 96.9 -- 0.055 -- 3.48 -- 51831 -- -- 48.6
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)
2.4 2.49 98.6 -- 0.247 3.7 3.5 --

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
MAD 2.4 15.0 -- 0.0 -- 49995 2544 96.8 -- 0.232 0.232 0.268 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 44.9
Anisotropic B[1][1] 11.275
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -11.094
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.182
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.77
c_bond_d 0.007
c_scangle_it 2.65
c_mcbond_it 1.11
c_scbond_it 1.8
c_angle_deg 1.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10570
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 247

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
MLPHARE phasing
DM phasing
DM phasing