X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 198.0
Details PEG6000, sodium chloride, magnesium chloride, Tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 198K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.92 α = 90
b = 78.06 β = 90
c = 105.8 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 173
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH monochromator 2000-03-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.00 APS 17-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
1.5 17.4 96.1 0.062 -- -- 4.7 49934 47986 0.0 0.0 15.532
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 78.4 0.29 -- 2.0 3.3 3963

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
FOURIER SYNTHESIS 1.5 63.25 0.0 0.0 47329 46098 2529 97.4 -- 0.18992 0.18829 0.22039 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 18.967
Anisotropic B[1][1] -0.53
Anisotropic B[1][2] 1.0
Anisotropic B[1][3] -0.5
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
p_mcangle_it 1.796
p_angle_deg 1.725
p_mcbond_it 1.038
p_bond_d 0.016
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2647
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 336

Software

Software
Software Name Purpose
FFT model building
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
FFT phasing
CCP4 phasing