X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 20% AMMONIUM SULPHATE, 1M KCL, 40MM HEPES PH7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 185.51 α = 90
b = 185.51 β = 90
c = 215.18 γ = 120
Symmetry
Space Group P 62 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 -- ESRF ID29

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
2.6 30 99.2 0.09 -- -- 4.0 -- 66956 -- 0.0 45.3
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)
2.6 2.69 99.0 0.56 -- 2.3 -- --

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
MOLECULAR REPLACEMENT 2.6 29.8 -- 0.0 -- 66915 3378 99.2 -- 0.211 0.211 0.243 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 -- 556 10390 0.315 0.347 0.015 99.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 51.0
Anisotropic B[1][1] 5.82
Anisotropic B[1][2] 9.78
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.82
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -11.64
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.7
c_bond_d 0.006
c_angle_deg 1.0
c_dihedral_angle_d 21.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.41
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.39
Luzzati Sigma A (R-Free Set) 0.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8984
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 140

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement