Crystal Structure of BACE1 in complex with N-{3-[(4R)-2-amino-4-(prop-1-yn-1-yl)-5,6-dihydro-4H-1,3-oxazin-4-yl]-4-fluorophenyl}-5-cyanopyridine-2-carboxamide
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1W50 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 0.2 M sodium citrate tribasic pH 6.5, 0.2 M ammonium iodide, 19.6% w/v PEG 5000MME | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.73 | 54.87 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 101.719 | α = 90 | 
| b = 101.719 | β = 90 | 
| c = 169.35 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | P 61 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 | 100 | CCD | RIGAKU SATURN 944 | 2014-12-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | RIGAKU FR-E+ SUPERBRIGHT | 1.54178 | ||
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 | 2.45 | 50 | 99 | 0.012 | 10.9 | 6.7 | 19602 | ||||||||||||
| 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 | 2.45 | 2.58 | 0.5 | ||||||||||||||||
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1W50 | 2.45 | 20 | 18502 | 972 | 98.64 | 0.1868 | 0.1846 | 0.19 | 0.2285 | 0.23 | RANDOM | 39.417 | ||||
| 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] | |
| -0.08 | -0.08 | -0.08 | 0.27 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 34.614 | 
| r_dihedral_angle_4_deg | 15.91 | 
| r_dihedral_angle_3_deg | 14.439 | 
| r_dihedral_angle_1_deg | 6.288 | 
| r_angle_refined_deg | 1.155 | 
| r_chiral_restr | 0.079 | 
| r_bond_refined_d | 0.006 | 
| r_gen_planes_refined | 0.004 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2905 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 175 | 
| Heterogen Atoms | 42 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| HKL-2000 | data reduction | 
| HKL-2000 | data scaling | 
| MOLREP | phasing | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 














