Crystal structure of antizyme inhibitor, an ornithine decarboxylase homologous protein
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | MICROBATCH UNDER OIL | 8 | 292 | 0.2M CaCl2, 0.1M Tris-HCl, 6% PEG 6000, 13mM 2,6-Dimethyl-4-heptyl-beta-D-maltoside, pH 8.0, MICROBATCH UNDER OIL, temperature 292K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.7 | 54.43 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 92.769 | α = 90 |
| b = 98.389 | β = 90 |
| c = 117.331 | 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 | ADSC QUANTUM 4 | Toroidal Zerodur mirror | 2006-12-04 | M | MAD | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 0.97900, 0.98000, 0.97600 | ESRF | ID14-4 |
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 | 2.04 | 50 | 100 | 0.094 | 0.075 | 26.7 | 14.4 | 68784 | |||||||||||
| 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) | ||||||||||
| 2.04 | 2.11 | 99.8 | 0.418 | 0.398 | 5.8 | 12.3 | |||||||||||||
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 (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.05 | 50 | 64688 | 3447 | 99.9 | 0.2 | 0.198 | 0.2 | 0.241 | 0.24 | RANDOM | 28.46 | |||||
| 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] | |
| -0.42 | 0.59 | -0.17 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.643 |
| r_dihedral_angle_4_deg | 24.352 |
| r_dihedral_angle_3_deg | 17.833 |
| r_dihedral_angle_1_deg | 10.085 |
| r_scangle_it | 6.557 |
| r_scbond_it | 4.752 |
| r_mcangle_it | 3.172 |
| r_angle_refined_deg | 2.53 |
| r_mcbond_it | 2.129 |
| r_symmetry_hbond_refined | 0.45 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6091 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 192 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SOLVE | phasing |
| REFMAC | refinement |
| ADSC | data collection |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |














