X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.5
Temperature 293.0
Details 2.5 M ammonium sulfate, 5% isopropanol and 0.1 M sodium acetate buffer, pH 4.5., VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30.18 α = 90
b = 30.18 β = 90
c = 110.43 γ = 120
Symmetry
Space Group P 65

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1998-08-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID -- APS 17-ID

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
0.9 13.5 90.5 0.054 -- -- 3.0 37771 37771 0.0 0.0 4.4
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)
0.9 0.93 75.5 0.163 -- -- -- 3148

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
-- 0.9 13.5 0.0 0.0 41735 37765 1881 90.5 -- 0.137 0.137 0.14 5% of randomly selected data.
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_impr_deg 1.795
x_angle_deg 2.259
x_bond_d 0.015
x_torsion_deg 16.628
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 658
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 104

Software

Software
Software Name Purpose
SOLVE phasing
SHELXL-97 refinement
MAR345 data collection
HKL-2000 data scaling