X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details 1.8-2.0 M ammonium sulphate, 2% PEG 400, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.13 α = 90
b = 64.3 β = 90
c = 165.92 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD OTHER -- 1999-01-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 -- CHESS F2

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
1.8 31.6 97.4 0.056 -- -- 3.73 230489 61752 0.0 0.0 17.17
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)
1.8 1.89 89.8 0.14 -- -- 2.88 8193

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
-- 1.8 20.0 0.0 0.0 230489 61640 6164 97.2 0.189 0.189 0.187 0.225 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.8
x_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4702
Nucleic Acid Atoms 0
Heterogen Atoms 96
Solvent Atoms 704

Software

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