X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.6
Temperature 291.0
Details PEG8000, Potassium Phosphate, Glycerol, NaCl, PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K, VAPOR DIFFUSION, SITTING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.35 α = 90
b = 121.35 β = 90
c = 142.57 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 FLAT MIRROR (VERTICAL FOCUSING), SINGLE CRYSTAL SI(111) BENT MONOCHROMATOR (HO RIZONTAL FOCUSING) 2007-01-30
Diffraction Radiation
Monochromator Protocol
SIDE SCATTERING BENT CUBE- ROOT I-BEAM SINGLE CRYSTAL, ASYMMETRIC CUT 4.965 DEGS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 0.97945 SSRL BL11-1

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
2.4 92.45 99.8 0.098 0.098 -- 7.0 21106 21106 0.0 0.0 48.0
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)
2.4 2.46 100.0 0.9 0.9 1.8 7.2 --

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 2.4 46.21 0.0 0.0 20181 20181 1018 95.3 0.21799 0.189 0.189 0.242 THICK SHELLS
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 2.4 2.44 877 58 822 0.326 0.367 0.048 84.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model variable
Mean Isotropic B 73.6
Anisotropic B[1][1] -0.56
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.56
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.12
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 2.2
c_bond_d 0.011
c_angle_deg 1.6
c_dihedral_angle_d 16.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.38
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3392
Nucleic Acid Atoms 0
Heterogen Atoms 55
Solvent Atoms 25

Software

Computing
Computing Package Purpose
blueice Data Collection
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement