X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 298.0
Details PEG4000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 156.45 α = 90
b = 156.45 β = 90
c = 131.75 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
CCD SBC-2 mirrors 2002-02-06
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9793, 0.9791, 0.9520 APS 19-ID

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
1.5 50 99.85 0.078 -- -- 10.92 96880 96738 4.0 2.0 13.8
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)
1.5 1.58 99.6 0.325 -- 4.955 3.54 12039

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
MAD 1.5 47.73 -- 0.0 -- 185125 9185 95.9 0.186 0.186 0.185 0.189 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 1.5 1.59 -- 1429 27835 0.21 0.212 0.006 91.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 14.5
Anisotropic B[1][1] 0.3
Anisotropic B[1][2] 0.49
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.6
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.35
c_dihedral_angle_d 24.7
c_improper_angle_d 1.94
c_bond_d 0.008
c_scangle_it 3.17
c_mcbond_it 1.26
c_mcangle_it 1.75
c_angle_deg 2.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.07
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.16
Luzzati Sigma A (R-Free Set) 0.06
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5074
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 503

Software

Software
Software Name Purpose
d*TREK data scaling
HKL-2000 data reduction
CNS refinement
d*TREK data reduction
HKL-2000 data scaling
CNS phasing