X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 298.0
Details from 19% PEG 8000, 35 mM potassium phosphate pH 5.0, 3% glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31.28 α = 94.77
b = 54.73 β = 91.1
c = 91.44 γ = 95.61
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-10-19
Diffraction Radiation
Monochromator Protocol
GRAPHITE MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9795, 0.9789, 0.9636 APS 19-ID

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
1.6 30 92.0 -- -- -- 7.0 -- 60440 2.0 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)
1.6 1.63 92.0 -- -- -- -- --

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 1.6 30.0 -- 0.0 60440 60440 3253 -- -- -- 0.226 0.258 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 11.46
Anisotropic B[1][1] 11.19
Anisotropic B[1][2] 11.06
Anisotropic B[1][3] 9.45
Anisotropic B[2][2] 11.99
Anisotropic B[2][3] 12.09
Anisotropic B[3][3] 13.05
RMS Deviations
Key Refinement Restraint Deviation
bond angles 1.31
dihedrals 23.34
mean B factor 11.46
bond lengths 0.0067
impropers 0.62
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5142
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 643

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing