X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.2
Temperature 295.0
Details PEG 8000, Tris, sodium chloride, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.53 α = 90
b = 48.4 β = 90
c = 87.77 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
3 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-02-26
CCD ADSC QUANTUM 4 -- 2000-01-25
CCD ADSC QUANTUM 4 -- 2000-02-26
Diffraction Radiation
Monochromator Protocol
Si 111 Flat MAD
Si 111 Flat SINGLE WAVELENGTH
Si 111 Flat SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 1.0000 ALS 5.0.2
SYNCHROTRON SSRL BEAMLINE BL9-2 1.0000 SSRL BL9-2
SYNCHROTRON ALS BEAMLINE 5.0.2 0.9791, 0.9794, 1.0332 ALS 5.0.2

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
1.39 43.85 97.76 0.062 0.062 -- 6.6 47146 47146 -3.0 -3.0 18.141
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)
1.39 1.47 91.5 0.24 0.24 3.0 2.9 15627

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 1.39 43.85 -3.0 -3.0 47146 47146 2019 100.0 0.2087 0.2087 0.208 0.231 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.014
p_angle_d 0.031
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1629
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 212

Software

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