1K55
OXA 10 class D beta-lactamase at pH 7.5
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ESRF BEAMLINE ID14-1 |
| Synchrotron site | ESRF |
| Beamline | ID14-1 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2000-06-06 |
| Detector | MARRESEARCH |
| Wavelength(s) | 0.934 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 66.514, 82.285, 101.713 |
| Unit cell angles | 90.00, 95.44, 90.00 |
Refinement procedure
| Resolution | 53.160 - 1.390 |
| R-factor | 0.15311 * |
| Rwork | 0.153 |
| R-free | 0.18090 |
| Structure solution method | FOURIER SYNTHESIS |
| Starting model (for MR) | 1e4d |
| RMSD bond length | 0.013 |
| RMSD bond angle | 15.744 * |
| Data reduction software | MOSFLM |
| Data scaling software | SCALA |
| Refinement software | REFMAC |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 53.160 | 1.470 |
| High resolution limit [Å] | 1.390 | 1.390 |
| Rmerge | 0.082 | 0.373 |
| Total number of observations | 841487 * | |
| Number of reflections | 216019 | 29650 * |
| <I/σ(I)> | 11.8 | 3.3 |
| Completeness [%] | 99.0 | 93.3 * |
| Redundancy | 3.9 | 3.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.8 * | 4 * | ammonium sulphate, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 10 (mg/ml) | |
| 2 | 1 | drop | sodium potassium phosphate | 20 (mM) | pH7.8 |
| 3 | 1 | reservoir | ammonium sulfate | 2.0 (M) | |
| 4 | 1 | reservoir | Tris-HCl | 100 (mM) | pH8.5, or 100mM Na/Hepes(pH7.5) |
