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 Sodium Formate, Ammonium Sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.41 α = 90
b = 96.72 β = 90
c = 107.79 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
CCD ADSC QUANTUM 4 Osmic Blue Confocal Mirrors 2003-04-14
Diffraction Radiation
Monochromator Protocol
Bent Ge(111) Monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C 0.900 APS 14-BM-C

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
1.6 26.9 95.9 0.05 -- -- 4.9 51569 49432 -- 1.5 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)
1.6 1.63 88.4 0.344 -- 4.3 -- --

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 1.6 26.9 -- 3.0 51569 49432 1462 -- 0.221 0.22 0.219 0.251 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 1.6 1.63 1462 128 -- 0.36 0.39 -- --
RMS Deviations
Key Refinement Restraint Deviation
t_dihedral_angle_d 16.8
t_angle_deg 1.7
t_bond_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2262
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 219

Software

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