Crystal structure of the Nco-A1 PAS-B domain bound to the STAT6 transactivation domain LXXLL motif
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 7 | 20 % PEG3350, 0.2 M LICL, pH 7.00 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.5 | 50 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 62.1 | α = 90 |
| b = 62.1 | β = 90 |
| c = 73.4 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 62 |
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 | MARRESEARCH | OSMIC MIRRORS CMF12-38CU6 | 2003-03-24 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | SIEMENS M18X | |||
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 | 2.21 | 19.21 | 99.7 | 0.089 | 29.9 | 16.8 | 8138 | 28.7 | |||||||||||
| 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 | 2.21 | 2.25 | 98.1 | 0.3254 | 8.71 | 16 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | OTHER | THROUGHOUT | 2.21 | 19.21 | 8138 | 375 | 99.6 | 0.17 | 0.166 | 0.18 | 0.214 | RANDOM | 32.92 | ||||||
| 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] | |
| 0.87 | 0.43 | 0.87 | -1.3 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_1_deg | 6.79 |
| r_scangle_it | 3.121 |
| r_scbond_it | 1.93 |
| r_mcangle_it | 1.592 |
| r_angle_refined_deg | 1.272 |
| r_mcbond_it | 0.852 |
| r_angle_other_deg | 0.81 |
| r_symmetry_vdw_other | 0.314 |
| r_nbd_other | 0.237 |
| r_nbd_refined | 0.195 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 918 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 116 |
| Heterogen Atoms | 5 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| SHELXD | phasing |
| SHELXE | phasing |
| REFMAC | refinement |
