2XPW
TetR(D) in complex with oxytetracycline and magnesium.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 0.45 M NA-MALONATE, 0.45 M NA-SUCCINATE, 0.1 M NA-CACODYLATE PH 5.55 | |||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.13 | 42 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 66.893 | α = 90 |
| b = 66.893 | β = 90 |
| c = 181.553 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 41 2 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | IMAGE PLATE | MAR scanner 345 mm plate | MIRRORS | 2004-04-06 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X31 | EMBL/DESY, HAMBURG | X31 | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.44 | 63.25 | 96.6 | 0.04 | 30.1 | 3.2 | 34700 | -3 | 16.8 | ||||||||||
| 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 | 1.44 | 1.46 | 97.1 | 0.36 | 2.99 | 3.2 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | PDB ENTRY 2TCT | 1.44 | 63.25 | 34700 | 1826 | 96.64 | 0.17789 | 0.17651 | 0.20473 | RANDOM | 15.202 | ||||||
| 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] | |
| 0.47 | 0.47 | -0.94 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.787 |
| r_dihedral_angle_4_deg | 18.214 |
| r_dihedral_angle_3_deg | 13.432 |
| r_dihedral_angle_1_deg | 5.24 |
| r_scangle_it | 4.181 |
| r_scbond_it | 2.751 |
| r_mcangle_it | 1.945 |
| r_angle_refined_deg | 1.777 |
| r_mcbond_it | 1.154 |
| r_angle_other_deg | 1.011 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1641 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 284 |
| Heterogen Atoms | 49 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| REFMAC | phasing |
