X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Evaporation
pH 6.5
Temperature 291.0
Details PEG8000, sodium acetate, sodium cacodylate, pH 6.5, EVAPORATION, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.9 α = 90
b = 62.52 β = 90.28
c = 95.7 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2002-01-14
Diffraction Radiation
Monochromator Protocol
Osmic Mirror 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
2.34 41.28 97.9 -- -- -- -- 32999 n/a 0.0 -- 19.4
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)
2.33 2.41 95.8 -- -- -- -- --

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 2.34 41.28 -- 0.0 33719 31917 3187 94.7 -- -- 0.204 0.269 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 2.34 2.44 3663 341 3322 0.246 0.245 0.013 87.8
X Ray Diffraction 2.44 2.57 3848 372 3476 0.228 0.226 0.012 91.8
X Ray Diffraction 2.57 2.73 3880 403 3477 0.239 0.236 0.012 92.8
X Ray Diffraction 2.73 2.95 3996 400 3596 0.23 0.231 0.012 94.6
X Ray Diffraction 2.95 3.24 4006 406 3600 0.226 0.229 0.011 95.6
X Ray Diffraction 3.24 3.71 4121 415 3706 0.214 0.219 0.011 97.7
X Ray Diffraction 3.71 4.67 4160 424 3736 0.168 0.171 0.008 98.4
X Ray Diffraction 4.67 41.28 4243 426 3817 0.168 0.162 0.008 97.8
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.32
Anisotropic B[1][1] 3.86
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.85
Anisotropic B[2][2] -3.68
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.18
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_impr_deg 1.48
x_torsion_deg 22.4
x_angle_deg 1.8
x_bond_d 0.016
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.23
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6420
Nucleic Acid Atoms 0
Heterogen Atoms 108
Solvent Atoms 107

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building
SCALEPACK data reduction
DENZO data collection