X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Temperature 298.0
Details sodium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 128.4 α = 90
b = 128.4 β = 90
c = 203.92 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
FLAT PANEL RIGAKU RAXIS HTC mirrors 2007-01-03
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU FR-E SUPERBRIGHT 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
3.5 33.9 89.0 0.126 0.13 -- 4.0 11197 9966 0.0 0.0 --

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 3.5 33.9 0.0 0.0 -- 9965 881 89.7 -- 0.282 0.282 0.336 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 3.5 3.72 -- 156 1533 0.305 0.382 0.031 93.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 76.8
Anisotropic B[1][1] 2.87
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.87
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.74
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 3.37
c_dihedral_angle_d 24.1
c_angle_deg 2.2
c_bond_d 0.015
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.44
Luzzati Sigma A (Observed) 0.58
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.59
Luzzati Sigma A (R-Free Set) 0.82
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3488
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 2

Software

Computing
Computing Package Purpose
CrystalClear Data Collection
CrystalClear Data Reduction (intensity integration)
CrystalClear Data Reduction (data scaling)
molrep Structure Solution
CNS 1.2 Structure Refinement
Software
Software Name Purpose
CNS version: 1.2 refinement
molrep model building
CrystalClear data collection