1SD3
Crystal structure of the GLUR6 ligand binding core in complex with 2S,4R-4-methylglutamate at 1.8 Angstrom resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X9B |
Synchrotron site | NSLS |
Beamline | X9B |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-06-06 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.97178 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 57.742, 91.254, 105.552 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 24.410 - 1.800 |
R-factor | 0.223 |
Rwork | 0.223 |
R-free | 0.25600 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 1s7y |
RMSD bond length | 0.005 |
RMSD bond angle | 1.200 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 1.860 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.058 | 0.358 |
Number of reflections | 50668 | |
<I/σ(I)> | 12.6 | 3.86 |
Completeness [%] | 99.9 | 100 |
Redundancy | 3.7 | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.9 | 293 | 14% PEG 3350, 10mM malonate, 10mM BME, 20mM NaCl, 2mM Citrate, 1mM EDTA, 4.5mM 2S,4R-4-methylglutamate, pH 4.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K |