X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 18.0
Details 10% PEG 2K, 10% GLYCEROL, 5% ISOPROPANOL, TRIS-HCL, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 18K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.49 α = 90
b = 112.8 β = 102.32
c = 66.3 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 123
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-01-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 0.901 CHESS A1

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
2.3 36.27 89.3 -- -- -- 3.1 -- 27658 2.0 2.0 43.0
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)
2.3 2.4 89.3 -- -- -- -- --

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 2.3 25.86 -- 2.0 30930 27490 2740 88.9 0.231 0.23 0.2299 0.283 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 2.3 2.4 2958 323 2635 0.348 0.344 0.019 76.7
X Ray Diffraction 2.4 2.53 3060 272 2788 0.292 0.289 0.018 79.3
X Ray Diffraction 2.53 2.69 3025 336 2689 0.273 0.27 0.015 78.3
X Ray Diffraction 2.69 2.9 3009 296 2713 0.239 0.24 0.014 78.6
X Ray Diffraction 2.9 3.19 3870 373 3497 0.278 0.278 0.014 99.5
X Ray Diffraction 3.19 3.65 3830 357 3473 0.243 0.249 0.013 99.7
X Ray Diffraction 3.65 4.59 3864 372 3492 0.203 0.209 0.011 99.5
X Ray Diffraction 4.59 25.86 3874 411 3463 0.19 0.185 0.009 98.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 57.79
Anisotropic B[1][1] -14.89
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -8.14
Anisotropic B[2][2] 21.42
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.53
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.5
x_torsion_deg 22.9
x_torsion_impr_deg 0.95
x_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.34
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.4
Luzzati Sigma A (R-Free Set) 0.43
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4908
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 308

Software

Software
Software Name Purpose
CNS refinement version: 1.0
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
CNS phasing