3C33
Crystal structure of GluR5 ligand-binding core in complex with potassium at 1.78 Angstrom resolution
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 22-ID |
| Synchrotron site | APS |
| Beamline | 22-ID |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2007-11-14 |
| Detector | MARMOSAIC 300 mm CCD |
| Wavelength(s) | 1.00000 |
| Spacegroup name | P 41 21 2 |
| Unit cell lengths | 70.742, 70.742, 234.460 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 29.310 - 1.720 |
| R-factor | 0.16679 |
| Rwork | 0.165 |
| R-free | 0.19444 |
| Structure solution method | FOURIER SYNTHESIS |
| Starting model (for MR) | 3c31 |
| RMSD bond length | 0.017 |
| RMSD bond angle | 1.653 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Refinement software | REFMAC (5.4.0066) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 1.780 |
| High resolution limit [Å] | 1.720 | 1.720 |
| Rmerge | 0.061 | 0.320 |
| Number of reflections | 64352 | |
| <I/σ(I)> | 16.4 | 7.9 |
| Completeness [%] | 98.2 | 97.1 |
| Redundancy | 7.3 | 7.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 20% PEG 4000, 125 mM KCl, 175 mM K2(SO4), 100 mM K cacodylate, 4 mM Kainic acid, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
