4PQE
Crystal Structure of Human Acetylcholinesterase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID23-2 |
Synchrotron site | ESRF |
Beamline | ID23-2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-06-23 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.8726 |
Spacegroup name | P 31 1 2 |
Unit cell lengths | 125.307, 125.307, 131.396 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 50.000 - 2.900 |
R-factor | 0.18684 |
Rwork | 0.185 |
R-free | 0.21811 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3lii |
RMSD bond length | 0.019 |
RMSD bond angle | 2.179 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | REFMAC (5.7.0029) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.950 |
High resolution limit [Å] | 2.900 | 2.900 |
Rmerge | 0.049 | 0.050 |
Number of reflections | 26326 | |
<I/σ(I)> | 17.7 | 4.4 |
Completeness [%] | 99.9 | 100 |
Redundancy | 10.9 | 10.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 298 | 0.1M Imidazol pH=7, 12% PEG 20000, 0.5% Ethyl Acetate, VAPOR DIFFUSION, SITTING DROP, temperature 298K |