X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details PEG 8k, Ammonium Sulfate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 115.02 α = 90
b = 115.02 β = 90
c = 117.64 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 1998-08-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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
2.48 20 87.9 0.052 -- -- 4.2 28608 25147 0.0 0.0 53.8
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)
2.48 2.52 60.0 0.255 -- -- 3.3 --

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
-- 2.6 20.0 0.0 0.0 24809 21882 2144 88.2 0.281 0.281 0.281 0.293 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 2.6 2.76 -- 371 3233 0.341 0.359 0.019 89.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 46.8
Anisotropic B[1][1] 0.48
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.96
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 2.81
c_improper_angle_d 1.03
c_angle_deg 1.7
c_scbond_it 4.51
c_scangle_it 6.16
c_dihedral_angle_d 28.1
c_bond_d 0.008
c_mcangle_it 4.23
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Sigma A (Observed) 0.3
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.4
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2821
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 133

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
EPMR phasing
CNS refinement version: 0.5