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 0.1M sodium cacodylate, 0.25M sodium chloride, 1.8M ammonium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 132.91 α = 90
b = 132.91 β = 90
c = 72.93 γ = 120
Symmetry
Space Group P 63 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
3 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2007-03-23
CCD ADSC QUANTUM 4 mirrors 2007-03-24
CCD ADSC QUANTUM 4 mirrors 2007-03-23
Diffraction Radiation
Monochromator Protocol
GRAPHITE MAD
GRAPHITE SINGLE WAVELENGTH
GRAPHITE MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL1-5 1.00 SSRL BL1-5
SYNCHROTRON SSRL BEAMLINE BL1-5 1.74, 1.65 SSRL BL1-5
SYNCHROTRON SSRL BEAMLINE BL1-5 1.74, 1.65 SSRL BL1-5

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 97.4 0.1 0.1 -- 8.2 -- 15023 -- -3.0 18.6
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 2.44 96.5 -- 0.53 4.7 8.5 735

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 2.4 43.51 -- 0.0 -- 15013 1476 97.8 -- 0.193 0.193 0.247 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 -- 221 2219 0.223 0.267 0.018 97.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 34.6
Anisotropic B[1][1] 4.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.7
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.6
c_angle_deg 1.5
c_improper_angle_d 1.22
c_mcangle_it 2.21
c_dihedral_angle_d 22.7
c_mcbond_it 1.38
c_bond_d 0.006
c_scbond_it 2.38
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2056
Nucleic Acid Atoms 0
Heterogen Atoms 65
Solvent Atoms 158

Software

Software
Software Name Purpose
CNS refinement version: 1.2
ADSC data collection version: Quantum
HKL-2000 data reduction
HKL-2000 data scaling
SOLVE phasing