4KG2
Crystal Structure of AmpC beta-lactamase from E. coli in Complex with Cefotaxime
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 21-ID-F |
| Synchrotron site | APS |
| Beamline | 21-ID-F |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2012-07-28 |
| Detector | MARMOSAIC 300 mm CCD |
| Wavelength(s) | 1.1 |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 117.836, 78.751, 98.095 |
| Unit cell angles | 90.00, 115.40, 90.00 |
Refinement procedure
| Resolution | 24.530 - 1.890 |
| R-factor | 0.18942 |
| Rwork | 0.187 |
| R-free | 0.23591 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.018 |
| RMSD bond angle | 2.033 |
| Data reduction software | HKL-3000 |
| Data scaling software | HKL-3000 |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.7.0029) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.970 |
| High resolution limit [Å] | 1.890 | 1.890 |
| Number of reflections | 63866 | |
| Completeness [%] | 99.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.7 | 296 | 1.7M potassium phosphate, 3.5mg/ml AmpC, pH 8.7, VAPOR DIFFUSION, HANGING DROP, temperature 296K |






