X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 0.8M KCL, 1.2M (NH4)2SO4, 40MM HEPES PH 7.0. PROTEIN CONCENTRATION = 10MG/ML

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.55 α = 90
b = 133.55 β = 90
c = 147.89 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 -- 2001-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
2.5 28.8 95.6 0.062 -- -- 2.6 -- 48503 -- -- --
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)
2.5 2.56 94.4 0.443 -- 1.7 2.4 --

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 2.5 28.8 -- -- -- 45989 2474 94.67 -- 0.212 0.209 0.27 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 55.703
Anisotropic B[1][1] -1.32
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8970
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 231

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction
SCALA data scaling
MOLREP phasing