4R5N
8-Tetrahydropyran-2-yl chromans: highly selective beta-site amyloid precursor protein cleaving enzyme 1 (BACE1) inhibitors
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU FR-E+ SUPERBRIGHT |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2011-03-14 |
Detector | RIGAKU RAXIS IV++ |
Wavelength(s) | 1.5418 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 75.290, 103.910, 100.060 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 28.070 - 1.800 |
R-factor | 0.18846 |
Rwork | 0.186 |
R-free | 0.23034 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4n00 |
RMSD bond length | 0.006 |
RMSD bond angle | 1.111 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | MOLREP |
Refinement software | REFMAC (5.8.0049) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 1.900 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.060 | 0.122 |
Number of reflections | 35619 | |
<I/σ(I)> | 14.4 | 7 |
Completeness [%] | 97.1 | 81.4 |
Redundancy | 6.8 | 7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 290 | 16% PEG3K, 0.1M NaAcetate, 5% DMSO, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K |