X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Liquid Diffusion
pH 8.5
Temperature 292.0
Details 0.3 M MgCl2, 0.1 M Tris, 20% PEG 8000, pH 8.5, LIQUID DIFFUSION, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.25 α = 90
b = 92.25 β = 90
c = 143.72 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1999-05-17
IMAGE PLATE OTHER -- 1999-09-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5

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 50 98.7 0.8 -- -- 5.0 22102 21881 2.0 1.0 37.0
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)
2.5 2.54 99.1 0.4 -- -- 2.0 --

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 2.6 50.0 0.0 0.0 19517 19459 985 99.7 0.25 0.25 0.23 0.28 Random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_d 1.26
c_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3235
Nucleic Acid Atoms 0
Heterogen Atoms 86
Solvent Atoms 199

Software

Software
Software Name Purpose
SHARP phasing
CNS refinement
DENZO data reduction
SCALEPACK data scaling