X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 9
Details 2.6-3.0 M (NH4)2SO4, 20 mM TRIS, 1 mM EDTA, PH 9.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.58 α = 90
b = 91.58 β = 90
c = 45.97 γ = 120
Symmetry
Space Group P 6

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1998-04-24
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
1.9 50 93.1 0.067 -- -- -- -- 16336 -- 0.0 --

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 1.9 5.0 -- 0.0 -- 14635 1442 88.5 -- -- 0.155 0.205 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.27
x_dihedral_angle_d 19.1
x_angle_deg 1.6
x_bond_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1225
Nucleic Acid Atoms 0
Heterogen Atoms 52
Solvent Atoms 143

Software

Computing
Computing Package Purpose
XSCALE Data Reduction (intensity integration)
XDS Data Reduction (data scaling)
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
XDS data reduction
XSCALE data collection