X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.2 M AMMONIUM SULPHATE, 0.1 M TRIS-HCL PH 8.25

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.63 α = 90
b = 121.63 β = 90
c = 48.02 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2003-02-15
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
1.95 25 100.0 0.1 -- -- 4.6 -- 29917 -- -- 12.5
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)
1.95 2.02 100.0 0.586 -- 2.7 4.4 --

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 1.95 24.96 -- 0.0 -- 29902 623 99.9 -- 0.17642 0.183 0.224 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.6
Anisotropic B[1][1] 2.05
Anisotropic B[1][2] 0.96
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2229
Nucleic Acid Atoms 0
Heterogen Atoms 102
Solvent Atoms 227

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing