X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Temperature 277.0
Details MPD, magnesium acetate, spermidine, Na cacodylate, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.23 α = 90
b = 46.78 β = 90
c = 56.56 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV mirrors 2000-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS 1.5418 -- --

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
2.38 10 98.9 0.053 -- -- 6.5 18386 2814 -- 2.0 --
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)
2.3 2.38 96.9 0.78 -- -- -- --

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 2.38 10.0 -- 2.0 2369 2171 109 -- 0.238 -- 0.223 0.251 random
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.38 2.62 -- 22 -- 0.451 0.483 -- --
X Ray Diffraction 2.62 2.99 -- 27 -- 0.305 0.36 -- --
X Ray Diffraction 2.99 3.73 -- 41 -- 0.221 0.244 -- --
X Ray Diffraction 3.73 10.0 -- 19 -- 0.158 0.162 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 0.82
x_bond_d 0.004
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 414
Heterogen Atoms 0
Solvent Atoms 66

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
R-AXIS Data Reduction (data scaling)
EPMR Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
EPMR model building
R-AXIS data reduction
DENZO data collection