X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 283.0
Details sodium formate, ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.32 α = 90
b = 97.9 β = 90
c = 108.69 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC Osmic Blue Confocal mirrors 2000-10-16
Diffraction Radiation
Monochromator Protocol
Osmic Mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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
1.95 39.9 98.8 0.092 -- -- 7.2 28903 27633 2.7 2.7 16.7
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)
1.95 2.0 87.5 0.493 -- 2.7 -- --

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
MOLECULAR REPLACEMENT 1.95 39.9 -- -- 27633 24920 -- 86.2 -- -- -- -- RANDOM
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 1.95 1.98 2239 259 -- 0.31 0.34 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TRONRUD
RMS Deviations
Key Refinement Restraint Deviation
t_dihedral_angle_d 10.3
t_bond_d 0.008
t_angle_deg 1.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2280
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 199

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MRCHK Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
MRCHK model building