4EY5
Crystal Structure of Recombinant Human Acetylcholinesterase in Complex with (-)-huperzine A
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X29A |
Synchrotron site | NSLS |
Beamline | X29A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-01-01 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 1.075 |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 105.222, 105.222, 323.289 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 47.278 - 2.301 |
R-factor | 0.1775 |
Rwork | 0.176 |
R-free | 0.21230 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4ey7 |
RMSD bond length | 0.007 |
RMSD bond angle | 1.071 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Refinement software | PHENIX (1.8_1069) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 2.340 |
High resolution limit [Å] | 2.300 | 6.240 | 2.300 |
Rmerge | 0.075 | 0.031 | 0.627 |
Number of reflections | 93103 | ||
<I/σ(I)> | 8.5 | ||
Completeness [%] | 99.9 | 99.2 | 99.9 |
Redundancy | 3.6 | 3.4 | 3.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 295 | 12 to 18% PEG 3350, 0.2M potassium nitrate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K |