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 | 











