X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 55% SATURATED (NH4)2SO4, 50 MM (NH4)2HPO4, 1 M NACL, pH 6.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.18 α = 90
b = 70.18 β = 90
c = 126.85 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- BRUKER NONIUS -- -- --

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
2.5 27.4 99.3 0.11 -- -- 7.4 -- 13010 -- -- 47.7
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)
2.5 2.59 98.7 0.428 -- 2.4 -- --

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 2.5 27.4 -- 2.0 -- 12807 988 99.3 -- 0.179 0.179 0.221 --
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 2.5 2.59 -- 112 1156 0.325 0.351 -- 98.7
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.3
RMS Deviations
Key Refinement Restraint Deviation
x_mcbond_it 1.5
x_scangle_it 2.5
x_angle_deg 1.403
x_bond_d 0.009
x_mcangle_it 2.0
x_dihedral_angle_d 19.33
x_improper_angle_d 1.327
x_scbond_it 2.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1876
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 56

Software

Software
Software Name Purpose
AMoRE phasing
X-PLOR refinement version: 3.1
DENZO data reduction
SCALEPACK data scaling