X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 277.15
Details 30% (w/v) PEG 4000, 0.2 M magnesium chloride hexahydrate, 0.1 M Tris hydrochloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.1 α = 90
b = 62.08 β = 90
c = 85.75 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC Osmic Blue Confocal Mirrors 2001-10-24
Diffraction Radiation
Monochromator Protocol
Osmic blue confocal mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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
1.75 43 96.0 0.057 -- -- 21.6 22918 21777 3.0 -3.0 26.6
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)
1.75 1.79 82.7 0.382 -- 4.9 -- --

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
MOLECULAR REPLACEMENT 1.75 43.0 -- 3.0 19625 19044 581 87.6 -- 0.23 0.209 0.241 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 1.75 1.86 2442 87 -- 0.287 0.296 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.6
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.35
c_bond_d 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1692
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 139

Software

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