X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 11% PEG 8K, 1M NACL, 0.1M TRIS/HCL PH 9.0, 20% GLYCEROL,0.5% OCTYLGLUCOSIDE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.6 α = 90
b = 81.6 β = 90
c = 287.41 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-08-15
-- -- -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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
2.4 50 96.8 0.069 -- -- 5.5 -- 42998 -- -- 40.2
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)
2.4 2.49 74.0 0.289 -- 3.3 2.0 --

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
MIRAS 2.4 45.0 -- 0.0 -- 42218 2130 94.7 -- 0.263 0.263 0.294 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 2.4 2.55 -- 256 4887 0.416 0.437 0.027 70.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 76.5
Anisotropic B[1][1] 10.02
Anisotropic B[1][2] 4.55
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 6.92
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -16.94
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.7
c_improper_angle_d 1.09
c_mcangle_it 6.5
c_mcbond_it 4.37
c_dihedral_angle_d 26.4
c_scbond_it 7.39
c_bond_d 0.012
c_scangle_it 9.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.44
Luzzati Sigma A (Observed) 0.57
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.53
Luzzati Sigma A (R-Free Set) 0.63
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6124
Nucleic Acid Atoms 0
Heterogen Atoms 166
Solvent Atoms 136

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
CNS phasing
CNS refinement version: 1.0