1FX2
STRUCTURAL ANALYSIS OF ADENYLATE CYCLASES FROM TRYPANOSOMA BRUCEI IN THEIR MONOMERIC STATE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6.5 | 291 | 20 mM Tris/HCl, 1.8-1.9 M ammonium sulfate, pH 6.5, VAPOR DIFFUSION, temperature 18K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.49 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.6 | α = 90 |
b = 60.07 | β = 90 |
c = 78.88 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | MARRESEARCH | 1998-12-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7B | EMBL/DESY, HAMBURG | BW7B |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.46 | 10 | 98.7 | 0.082 | 24.7 | 3 | 498167 | 40911 | 13.1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.44 | 1.48 | 98.9 | 0.283 | 2.5 | 2799 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | THROUGHOUT | 1.46 | 10 | 498167 | 39779 | 1111 | 95.7 | 0.178 | 0.178 | 0.205 | RANDOM | 20.1 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
6.32 | -2.98 | -3.34 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 25.3 |
c_scangle_it | 7.56 |
c_scbond_it | 6.06 |
c_mcangle_it | 4.23 |
c_mcbond_it | 2.96 |
c_angle_deg | 2.5 |
c_improper_angle_d | 2.26 |
c_bond_d | 0.031 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1894 |
Nucleic Acid Atoms | |
Solvent Atoms | 272 |
Heterogen Atoms | 13 |
Software
Software | |
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Software Name | Purpose |
SHARP | phasing |
SOLOMON | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |