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_scbond_it 1.767
c_mcangle_it 2.108
c_angle_deg 1.3
c_mcbond_it 1.273
c_scangle_it 2.6
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

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
CNS refinement
CCP4 data scaling version: (SCALA)
CNS phasing