Design and Synthesis of Potent BACE-1 Inhibitors with Cellular Activity: Structure-Activity Relationship of P1 Substituents
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 4.5 | 289 | 0.1 M sodium acetate pH 4.5, 20% PEG200 Compound was added to give a final molar access of compound:protein of 2.5:1, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.14 | 42.63 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 72.924 | α = 90 |
| b = 105.181 | β = 95.25 |
| c = 51.029 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | CCD | ADSC QUANTUM 315r | 2004-09-13 | M | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | ALS | 8.3.1 | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 32729 | 30386 | ||||||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 1.8 | 1.847 | |||||||||||||||||
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1.8 | 30386 | 1596 | 92.84 | 0.208 | 0.206 | 0.26 | 0.249 | RANDOM | 23.803 | |||||||
| 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] | |
| -1.95 | -0.54 | 0.61 | 1.24 | |||
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2980 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 249 |
| Heterogen Atoms | 34 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SCALA | data scaling |
| MOLREP | phasing |
| TNT | refinement |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data collection |
| MOSFLM | data reduction |
| AMoRE | phasing |
| REFMAC | refinement |














