X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.9
Details PEG 20000 9%, MES 6.6, pH 6.90

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.36 α = 90
b = 47.32 β = 99.44
c = 63.38 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 2002-09-08
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A -- EMBL/DESY, Hamburg BW7A

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 37.8 97.0 -- 0.034 -- 4.3 -- 64711 -- 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)
1.5 1.52 90.0 -- 0.2 6.6 3.4 --

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
MAD 1.5 37.8 -- -- -- 31681 1288 96.5 -- 0.17 0.169 0.202 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 9.096
Anisotropic B[1][1] -0.48
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.01
Anisotropic B[2][2] 0.77
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1867
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 334

Software

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