3TTZ
Crystal structure of a topoisomerase ATPase inhibitor
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | inhibitor soak | 7.5 | 293 | 19-30% PEG3350, 0.1MHepes, pH 7.5, 0.2M MgCl2, inhibitor soak, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.71 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 143.178 | α = 90 |
b = 55.629 | β = 100.37 |
c = 51.216 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | RIGAKU SATURN 944 | mirrors | 2010-11-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU FR-E+ SUPERBRIGHT | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.63 | 51.739 | 90.2 | 0.027 | 18.6 | 2.6 | 44473 | 44473 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.63 | 1.72 | 75.2 | 0.167 | 0.167 | 4.7 | 1.8 | 5371 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1.63 | 51.739 | 44463 | 2246 | 89.81 | 0.1736 | 0.1725 | 0.1942 | RANDOM | 14.3049 |
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] | |
-0.06 | -0.11 | -0.02 | 0.04 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.51 |
r_dihedral_angle_4_deg | 13.222 |
r_dihedral_angle_3_deg | 10.78 |
r_dihedral_angle_1_deg | 4.847 |
r_scangle_it | 1.947 |
r_scbond_it | 1.113 |
r_angle_refined_deg | 0.894 |
r_angle_other_deg | 0.724 |
r_mcangle_it | 0.588 |
r_mcbond_it | 0.287 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3058 |
Nucleic Acid Atoms | |
Solvent Atoms | 395 |
Heterogen Atoms | 57 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
AMoRE | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
JDirector | data collection |
XSCALE | data scaling |