X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 15% V/V MPD, 80 MM MAGNESIUM ACETATE, 100 MM BIS-TRIS PH=6.5, pH 6.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.02 α = 90
b = 27.7 β = 99.68
c = 98.85 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-03-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.9800,0.9804,0.8856 ESRF BM14

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
2.29 39 98.5 -- 0.058 -- 3.5 -- 13028 -- -- 29.0
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)
2.29 2.42 88.6 -- 0.156 4.6 1.8 --

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 2.29 39.0 -- -- -- 12320 680 98.32 -- 0.18468 0.18226 0.22834 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.682
Anisotropic B[1][1] 1.49
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.48
Anisotropic B[2][2] -0.83
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.49
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2056
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 153

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE/RESOLVE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SOLVE/RESOLVE model building