X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.0 M AMMONIUM SULPHATE, 0.1 M TRIS-HCL PH 7.75

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 123.68 α = 90
b = 123.68 β = 90
c = 47.79 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
2.8 25 90.5 0.138 -- -- 3.5 -- 9493 -- -- 40.0
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 90.3 0.518 -- 2.0 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
MOLECULAR REPLACEMENT 2.81 23.37 -- 0.0 -- 9482 521 99.9 -- 0.17642 0.195 0.248 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.5
Anisotropic B[1][1] 3.85
Anisotropic B[1][2] 5.46
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.85
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2309
Nucleic Acid Atoms 0
Heterogen Atoms 98
Solvent Atoms 80

Software

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