X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 293.0
Details 28% PEG 1500, 30mM sodium cacodylate, 6% glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.26 α = 90
b = 48.11 β = 90
c = 83.47 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 Bent cylindrical Si-mirror (Rh coating) 2000-12-08
CCD ADSC QUANTUM 4 Bent cylindrical Si-mirror (Rh coating) 2000-12-07
Diffraction Radiation
Monochromator Protocol
SI(111) DOUBLE-CRYSTAL MONOCHROMATOR MAD
SI(111) DOUBLE-CRYSTAL MONOCHROMATOR MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-D 1.02046, 0.97997, 0.94286 APS 14-BM-D
SYNCHROTRON APS BEAMLINE 14-BM-D 1.02046, 0.97997, 0.94286 APS 14-BM-D

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
1.15 30 95.2 0.061 -- -- 14.8 27160 25759 -- -- 14.0
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)
1.15 1.24 87.6 0.267 -- -- 8.0 4162

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 1.15 20.0 0.0 0.0 25759 24523 1226 95.2 0.186 0.186 0.186 0.221 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.15 1.24 4162 208 -- 0.186 0.22 0.09 87.6
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 2.07
c_dihedral_angle_d 20.4
c_angle_d 2.5
c_bond_d 0.015
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 709
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 117

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SHARP model building