X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details PEG 8000, potasium phosphate, ammonium sulfate, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 317 α = 90
b = 317 β = 90
c = 317 γ = 90
Symmetry
Space Group I 2 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
FILM KODAK mirror --
Diffraction Radiation
Monochromator Protocol
silicon SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 1.5 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
3 30 85.53 -- -- -- -- 105051 89846 2.0 2.0 14.8
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)
3.0 3.18 71.5 -- -- -- -- --

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
SIR and molecular replacement 3.0 10.0 -- 2.0 88089 88089 -- 86.2 -- 0.202 0.202 -- --
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 3.0 3.18 -- -- 12129 0.258 -- -- 71.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 14.1
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.75
x_bond_d 0.016
x_angle_deg 2.0
x_dihedral_angle_d 27.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4343
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 64

Software

Computing
Computing Package Purpose
MGROSC Data Reduction (intensity integration)
MGROSC Data Reduction (data scaling)
IN-HOUSE AVERAGING PROGRAM Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement