X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 17 MG/ML PROTEIN, 12 % MPD, 0.1 M MGCL2, 50 MM TRIS BUFFER PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.45 α = 90
b = 129.59 β = 90
c = 78.33 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 ADSC CCD FOCUSSING MIRROR 2002-01-20
Diffraction Radiation
Monochromator Protocol
SI (111) DOUBLE CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
1.5 35 96.8 0.056 -- -- 7.0 -- 300270 -- -3.0 16.3
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)
1.5 1.55 93.2 0.15 -- 5.6 3.5 --

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
OTHER 1.5 20.0 -- -- -- 157058 7880 96.8 -- 0.163 0.163 0.186 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6079
Nucleic Acid Atoms 0
Heterogen Atoms 54
Solvent Atoms 911

Software

Software
Software Name Purpose
HKL-2000 data reduction
HKL-2000 data scaling
SHELXD phasing
MLPHARE phasing
REFMAC refinement