X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 37.0
Details 48% saturated ammonium sulphate, 0.1 M Hepes buffer, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 37K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 180.87 α = 90
b = 180.87 β = 90
c = 170.51 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE -- ESRF --

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
1.85 15 99.4 0.071 -- -- 7.4 1193911 119391 0.0 0.0 30.3
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)
1.85 1.95 99.3 0.412 -- -- 1.8 --

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
-- 1.85 15.0 0.0 0.0 119391 99523 8167 -- 0.212 0.212 0.211 0.233 Random
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_impr_deg 0.72
x_bond_d 0.005
x_angle_d 1.3
x_torsion_deg 24.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6264
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 611

Software

Software
Software Name Purpose
MAR data collection
SCALA data scaling
CNS refinement
MAR data reduction
CCP4 data scaling version: (SCALA)
CNS phasing