1FTL
CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX WITH THE ANTAGONIST DNQX AT 1.8 A RESOLUTION
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X4A |
| Synchrotron site | NSLS |
| Beamline | X4A |
| Temperature [K] | 110 |
| Detector technology | CCD |
| Collection date | 1999-10-20 |
| Detector | ADSC QUANTUM 4 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 62.153, 93.703, 97.369 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 20.000 - 1.800 |
| R-factor | 0.219 * |
| Rwork | 0.219 |
| R-free | 0.27200 |
| RMSD bond length | 0.010 |
| RMSD bond angle | 1.421 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | SOLVE |
| Refinement software | X-PLOR (3.851) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 1.860 |
| High resolution limit [Å] | 1.800 | 1.800 |
| Rmerge | 0.053 | 0.084 |
| Total number of observations | 298773 * | |
| Number of reflections | 50796 | |
| <I/σ(I)> | 40.6 | |
| Completeness [%] | 95.0 | 83.8 |
| Redundancy | 5.88 | 4.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 * | 4 * | 19% PEG 4000 0.3 M ammonium sulfate 0.1 M sodium acetate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | HEPES | 10 (mM) | |
| 2 | 1 | drop | 20 (mM) | ||
| 3 | 1 | drop | EDTA | 1 (mM) | |
| 4 | 1 | drop | DNQX | 3 (mM) | |
| 5 | 1 | reservoir | PEG4000 | 17-22 (%) | |
| 6 | 1 | reservoir | ammonium sulfate | 0.25-0.4 (M) | |
| 7 | 1 | reservoir | 0.1 (M) |
