Crystal structure of TetR transcriptional regulator SCO0520 from Streptomyces coelicolor
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4 | 273 | 0.1M Na(OAc) pH 4.0, 0.2M Ammonium acetate, 26% PEG 3350, 4% Sucrose, 2.5mM Tylosin tartrate, VAPOR DIFFUSION, HANGING DROP, temperature 273K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.17 | 43.32 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 52.295 | α = 90 |
| b = 146.152 | β = 90 |
| c = 47.305 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 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 | APS-1 | MIRROR | 2006-10-12 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.97907 | APS | 19-BM |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | 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 | |||||||
| 1 | 1.8 | 50 | 99.6 | 0.076 | 0.076 | 33.658 | 5.5 | 34267 | 34267 | -3 | 26.05 | ||||||||
| 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 | 1.8 | 1.82 | 95.4 | 0.416 | 0.416 | 3.2 | 5.2 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (All) | 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 | SAD | THROUGHOUT | 1.8 | 50 | 34207 | 34207 | 1730 | 100 | 0.193 | 0.193 | 0.191 | 0.19 | 0.225 | 0.23 | RANDOM | 29.78 | |||
| 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] | |
| 0.1 | 0.42 | -0.52 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 30.315 |
| r_dihedral_angle_4_deg | 18.178 |
| r_dihedral_angle_3_deg | 14.052 |
| r_dihedral_angle_1_deg | 11.652 |
| r_scangle_it | 4.754 |
| r_scbond_it | 3.118 |
| r_mcangle_it | 1.575 |
| r_mcbond_it | 1.568 |
| r_angle_refined_deg | 1.559 |
| r_nbtor_refined | 0.307 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2558 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 273 |
| Heterogen Atoms | 5 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-3000 | data collection |
| HKL-2000 | data reduction |
| HKL-3000 | phasing |
| MLPHARE | phasing |
| DM | model building |
| SHELXD | phasing |
| RESOLVE | model building |
| ARP/wARP | model building |
| Coot | model building |
| REFMAC | refinement |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| DM | phasing |
| SHELXE | model building |
| RESOLVE | phasing |
| CCP4 | phasing |














