X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Details pH 7.0, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 95.53 α = 90
b = 96.08 β = 90
c = 37.5 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 1998-03-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS 0.9683, 0.9799, 0.9806, 1.000 ALS --

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 20 98.0 -- 0.049 -- 7.5 -- 38706 -- -- --
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)
1.7 -- 85.4 -- 0.0249 -- -- --

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
MAD 1.7 20.0 -- 0.0 -- 37801 3771 97.3 -- -- 0.21 0.254 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.1
RMS Deviations
Key Refinement Restraint Deviation
p_angle_d 0.03
p_bond_d 0.016
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2297
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 284

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
REFMAC refinement