X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details PEG 6000 (25%), TRIS 100MM PH 8, MGCL2 100MM, pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.83 α = 90
b = 35.31 β = 106.67
c = 58.36 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

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
1.7 30 92.8 0.071 -- -- 8.0 -- 15836 -- -- 12.82

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 1.7 -- -- -- -- -- -- -- -- 0.186 0.186 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.77
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.016
x_angle_deg 2.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1329
Nucleic Acid Atoms 28
Heterogen Atoms 2
Solvent Atoms 70

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing