X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
pH 7.5
Details 1.8 M AMMONIUM SULFATE, 4% MPD, 100 MM HEPES PH 7.5, 2 MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.06 α = 90
b = 90.06 β = 90
c = 104.45 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1997-09
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.45 15 96.8 0.073 0.073 -- 2.9 -- 7832 -- 2.0 --
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)
2.45 2.54 97.6 0.133 0.133 3.0 2.9 --

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
MIRAS 2.45 20.0 -- 2.0 -- 7796 1045 96.3 -- 0.201 0.201 0.298 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1281
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 78

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
X-PLOR 3.82 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.82 refinement
SHARP model building