X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.1
Temperature 298.0
Details Ammonium sulfate, potassium phosphate, EDTA, DTT, pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 132.5 α = 90
b = 132.5 β = 90
c = 132.5 γ = 90
Symmetry
Space Group I 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS FAST -- 1997-05-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR571 -- -- --

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
2.94 35.33 96.1 0.09 -- -- 7.0 8138 8138 0.0 0.0 0.0
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)
2.94 3.02 96.0 0.38 -- -- 6.1 610

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
Fourier Difference Maps 2.94 33.13 3.0 1.0E-4 8390 8138 868 97.0 0.171 0.171 0.171 0.22 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 2.94 3.12 -- 137 1147 0.258 0.311 0.027 93.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 39.5
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.81
c_dihedral_angle_d 24.6
c_bond_d 0.007
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.38
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.43
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2151
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 10

Software

Software
Software Name Purpose
CNS refinement
MADNES data reduction
CCP4 data scaling version: (AGROVATA
ROTAVATA) data scaling
CNS phasing