X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion (sandwitch Drop)
pH 8
Temperature 277.0
Details 20mM Tris-HCl, 15% PEG6000, 0.2M Na2SO4, pH 8.0, VAPOR DIFFUSION (Sandwitch Drop), temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.38 α = 90
b = 108.22 β = 96.75
c = 113.14 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
CCD ADSC QUANTUM 4r -- 2001-01-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL40B2 0.816 SPRING-8 BL40B2

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 45.17 99.6 0.087 0.132 -- 3.6 130797 130797 -- 3.0 --
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)
2.0 2.11 97.6 -- -- -- 3.0 --

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 2.1 45.0 -- 0.0 113515 113453 11285 99.9 -- -- 0.209 0.247 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 2.1 2.18 -- 1151 10179 0.2606 0.3036 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.73
Anisotropic B[1][1] -9.671
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.061
Anisotropic B[2][2] -3.285
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 12.956
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.88607
c_dihedral_angle_d 21.4841
c_angle_deg 1.32008
c_bond_d 0.0063
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.27
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13556
Nucleic Acid Atoms 0
Heterogen Atoms 194
Solvent Atoms 881

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building
SCALA data reduction
MOSFLM data collection