X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.6M AMMONIUM SULPHATE, 0.1M TRIS PH7.5, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 153.05 α = 90
b = 153.05 β = 90
c = 213.35 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 2000-04-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
2.6 25 100.0 0.066 -- -- 11.2 -- 29716 -- -- 52.7
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 2.64 100.0 0.448 -- 5.0 11.0 --

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 2.6 18.0 -- 0.0 -- 29649 -- 99.9 -- 0.196 0.196 0.262 SHELLS
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 -- 224 4697 0.291 0.321 0.021 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 53.5
Anisotropic B[1][1] -4.93
Anisotropic B[1][2] 4.15
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -4.93
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 9.86
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.85
c_bond_d 0.007
c_angle_deg 1.3
c_dihedral_angle_d 22.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.43
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6059
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 140

Software

Computing
Computing Package Purpose
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMORE model building