X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 291.0
Details MgSO4, MES, 1,6-hexanediol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 291.0
Details magnesium sulfate, MES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.72 α = 90
b = 77.72 β = 90
c = 183.42 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE Mirrors 1999-12-12
CCD ADSC QUANTUM 4 Mirrors 2000-06-22
Diffraction Radiation
Monochromator Protocol
Si Crystal SINGLE WAVELENGTH
Si Crystal MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9795, 0.9793, 0.9537 APS 19-ID
SYNCHROTRON CHESS BEAMLINE A1 0.909 CHESS A1

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
2.3 25 99.3 -- 0.063 -- 7.0 38761 38761 -- -- --

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 2.3 25.0 -- 0.0 25741 25741 2604 -- -- -- 0.235 0.272 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.7103
Anisotropic B[1][1] -8.353
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -8.353
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 16.706
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.0059
c_improper_angle_d 0.8
c_dihedral_angle_d 22.95
c_angle_deg 1.24
Coordinate Error
Parameter Value
Luzzati Sigma A (R-Free Set) 0.36
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3764
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 139

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement
MOSFLM data reduction
SCALEPACK data scaling