2XRL
Tet-repressor class D T103A with doxycycline
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2O7O | PDB ENTRY 2O7O |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | HANGING DROP VAPOR DIFFUSION WITH 2 UL (14 MG/ML PROTEIN) AND 2 UL (0.6 M NACL, 15 % PEG 4000, 0.1 M MES PH 6.5). CRYSTAL WAS CRYOCOOLED WITH PARAFFIN OIL AS CRYOPROTECTANT. | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.17 | 43.3 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 67.888 | α = 90 |
| b = 67.888 | β = 90 |
| c = 180.438 | 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 | CCD | RIGAKU-MSC | MIRRORS | 2007-03-29 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 | |||
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 | 1.8 | 33 | 98.4 | 0.07 | 13 | 9.17 | 19733 | -3 | 38 | ||||||||||
| 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 | 1.8 | 1.86 | 88.6 | 0.54 | 1.7 | 3.43 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2O7O | 1.85 | 32.87 | 17378 | 912 | 98.75 | 0.238 | 0.23584 | 0.24 | 0.27908 | 0.29 | RANDOM | 45.851 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
| 0.87 | 0.87 | -1.75 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 39.936 |
| r_dihedral_angle_4_deg | 23.89 |
| r_dihedral_angle_3_deg | 14.161 |
| r_dihedral_angle_1_deg | 6.531 |
| r_scangle_it | 4.13 |
| r_scbond_it | 2.785 |
| r_angle_refined_deg | 1.854 |
| r_mcangle_it | 1.796 |
| r_angle_other_deg | 1.156 |
| r_mcbond_it | 1.076 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1639 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 106 |
| Heterogen Atoms | 35 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| d*TREK | data reduction |
| d*TREK | data scaling |
| REFMAC | phasing |
