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 -- -- -- -- -- 25611 22896 0.0 -- 10.8

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 1.9 10.0 -- -- 24818 22896 2262 92.3 -- -- 0.168 0.228 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 1.9 1.99 2290 232 2058 0.223 0.238 0.016 75.0
X Ray Diffraction 1.99 2.09 2574 267 2307 0.205 0.233 0.014 83.5
X Ray Diffraction 2.09 2.22 2785 246 2539 0.204 0.248 0.016 91.0
X Ray Diffraction 2.22 2.39 2952 270 2682 0.19 0.239 0.015 95.1
X Ray Diffraction 2.39 2.62 2976 307 2669 0.183 0.241 0.014 96.6
X Ray Diffraction 2.62 3.0 3038 327 2711 0.181 0.264 0.015 97.6
X Ray Diffraction 3.0 3.74 3106 302 2804 0.144 0.215 0.012 99.0
X Ray Diffraction 3.74 10.0 3175 311 2864 0.133 0.199 0.011 98.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.88
Anisotropic B[1][1] 0.39
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.96
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.56
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.017
x_torsion_impr_deg 1.14
x_torsion_deg 23.9
x_angle_deg 2.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2053
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 203

Software

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