X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 277.0
Details 66% Saturated Ammomium Sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.1 α = 90
b = 85.3 β = 90
c = 92.5 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 278
Diffraction Detector
Detector Diffraction Type Details Collection Date
DIFFRACTOMETER WEISSENBERG -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6B 1.00 Photon Factory BL-6B

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
1.8 10 -- -- -- -- -- 22605 n/a 0.0 -- 9.8

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 2.0 10.0 -- -- 21301 18775 1884 88.1 -- -- 0.164 0.23 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 2.0 2.09 1738 169 1569 0.214 0.263 0.02 66.4
X Ray Diffraction 2.09 2.2 2050 208 1842 0.212 0.231 0.016 77.6
X Ray Diffraction 2.2 2.34 2238 227 2011 0.205 0.185 0.012 84.9
X Ray Diffraction 2.34 2.51 2368 246 2122 0.201 0.196 0.012 89.8
X Ray Diffraction 2.51 2.76 2463 225 2238 0.188 0.192 0.013 92.0
X Ray Diffraction 2.76 3.15 2551 255 2296 0.184 0.184 0.012 96.0
X Ray Diffraction 3.15 3.93 2646 275 2371 0.142 0.144 0.009 98.1
X Ray Diffraction 3.93 10.0 2721 251 2470 0.139 0.14 0.009 98.3
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.75
Anisotropic B[1][1] 0.36
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.06
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.69
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 3.1
x_bond_d 0.019
x_torsion_deg 24.3
x_torsion_impr_deg 1.26
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2053
Nucleic Acid Atoms 0
Heterogen Atoms 37
Solvent Atoms 195

Software

Software
Software Name Purpose
CNS refinement version: 1.1
X-PLOR phasing
X-PLOR refinement version: 3.1