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
IMAGE PLATE 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_dihedral_angle_d 24.1
c_improper_angle_d 3.37
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

Software
Software Name Purpose
CrystalClear data collection
MOLREP phasing
CNS refinement version: 1.2
CrystalClear data reduction
CrystalClear data scaling