X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 7.5
Temperature 297.0
Details PEG 400, 20% PEG 4000, 20% Isopropanol, 0.1 M TRIS, pH 7.5, BATCH, temperature 297K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.59 α = 90
b = 118.86 β = 90
c = 118.83 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC mirrors 2002-04-01
Diffraction Radiation
Monochromator Protocol
Osmic Blue Mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.54 -- --

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 38 99.4 0.073 -- -- -- 46090 45814 2.0 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
Direct methods and Molecular replacement 2.5 38.0 2.0 2.0 46090 45814 2318 99.4 -- 0.225 0.224 0.278 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Anisotropic B[1][1] -9.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.634
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 10.094
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.6
c_mcangle_it 2.108
c_scbond_it 1.767
c_mcbond_it 1.273
c_angle_deg 1.3
c_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9100
Nucleic Acid Atoms 0
Heterogen Atoms 65
Solvent Atoms 353

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
SCALA data reduction
MOSFLM data collection