X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microdialysis
pH 8
Temperature 278.0
Details 50mM Tris-HCl, 0.75M Sodium Nitrate, pH 8.0, MICRODIALYSIS, temperature 278K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.32 α = 90
b = 68.32 β = 90
c = 108.29 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH Monochromator 1998-05-18
Diffraction Radiation
Monochromator Protocol
Graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 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 15 98.8 -- 0.046 -- 6.0 33569 33569 -- -- 18.5
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 2.2 98.7 -- 0.098 2.5 -- 17246

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 2.02 14.71 0.0 0.0 17246 17246 833 98.7 -- 0.171 0.171 0.19 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 2.0 2.12 2174 113 2227 0.193 0.211 0.02 80.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 18.5
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.69
c_scangle_it 3.62
c_scbond_it 2.53
c_bond_d 0.007
c_dihedral_angle_d 25.6
c_angle_deg 1.7
c_improper_angle_d 0.98
c_mcbond_it 1.32
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.12
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2030
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 130

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing