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) 2000-12-07
CCD ADSC QUANTUM 4 Bent cylindrical Si-mirror (Rh coating) 2000-12-08
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_bond_d 0.015
c_angle_d 2.5
c_improper_angle_d 2.07
c_dihedral_angle_d 20.4
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

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