X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
pH 5.6
Temperature 293.0
Details 20% PEG 4000, 20% Isopropanol, 0.125 M NaCitrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 5.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.66 α = 90
b = 63.68 β = 90
c = 178.38 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2003-10-31
Diffraction Radiation
Monochromator Protocol
SI (220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID -- APS 22-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
2.2 50 96.0 -- 0.126 -- 6.2 -- 32958 -- -3.0 22.3
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)
2.2 2.28 75.5 -- 0.494 1.95 2.6 --

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
DIFFERENCE FOURIER METHOD 2.2 20.0 -- 0.0 46092 30875 3104 89.3 -- 0.183 0.183 0.221 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 2.2 2.34 -- 380 3160 0.261 0.31 0.016 62.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 36.1
Anisotropic B[1][1] 3.44
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.94
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.51
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.18
c_scbond_it 2.17
c_mcangle_it 2.32
c_mcbond_it 1.4
c_improper_angle_d 0.83
c_bond_d 0.008
c_angle_deg 1.4
c_dihedral_angle_d 27.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3546
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 553

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement