Crystal structure of XIAP-Bir2 with a bound spirocyclic benzoxazepinone inhibitor.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3J3Y | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 292 | 1.5 M ammonium sulfate, 125 mM Bis-tris-propane , pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 292K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.88 | 34.56 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 74.196 | α = 90 |
| b = 74.196 | β = 90 |
| c = 108.564 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 4 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 | IMAGE PLATE | RIGAKU RAXIS HTC | 2011-01-12 | M | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.54 | ||
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 | 1.7 | 37.7 | 98.8 | 0.038 | 17 | 4.6 | 16849 | ||||||||||||
| 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 | 1.7 | 1.76 | 0.371 | 2.8 | 3.16 | 1664 | |||||||||||||
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 | FOURIER SYNTHESIS | THROUGHOUT | 3J3Y | 1.7 | 37.13 | 15961 | 885 | 98.73 | 0.19636 | 0.19415 | 0.2 | 0.23789 | 0.24 | RANDOM | 33.403 | ||||
| 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] | |
| 0.03 | 0.03 | -0.06 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.382 |
| r_dihedral_angle_4_deg | 16.139 |
| r_dihedral_angle_3_deg | 14.805 |
| r_dihedral_angle_1_deg | 5.497 |
| r_angle_refined_deg | 1.748 |
| r_angle_other_deg | 0.943 |
| r_chiral_restr | 0.109 |
| r_bond_refined_d | 0.018 |
| r_gen_planes_refined | 0.011 |
| r_bond_other_d | 0.005 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1298 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 100 |
| Heterogen Atoms | 42 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CrystalClear | data collection |
| CCP4 | model building |
| REFMAC | refinement |
| d*TREK | data reduction |
| d*TREK | data scaling |
| CCP4 | phasing |














