4KOT
Crystal structure of a GNAT superfamily acetyltransferase PA4794 in complex with Cefotaxime
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 21-ID-G |
| Synchrotron site | APS |
| Beamline | 21-ID-G |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2013-02-08 |
| Detector | MARMOSAIC 300 mm CCD |
| Wavelength(s) | 0.97856 |
| Spacegroup name | P 21 21 2 |
| Unit cell lengths | 58.750, 76.296, 39.298 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 32.690 - 1.550 |
| R-factor | 0.15831 |
| Rwork | 0.157 |
| R-free | 0.18975 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 2i6c |
| RMSD bond length | 0.020 |
| RMSD bond angle | 1.992 |
| Data reduction software | HKL-3000 |
| Data scaling software | HKL-3000 |
| Phasing software | HKL-3000 (MOLREP) |
| Refinement software | REFMAC (5.7.0029) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.580 |
| High resolution limit [Å] | 1.550 | 1.550 |
| Rmerge | 0.039 | 0.625 |
| Number of reflections | 26238 | |
| <I/σ(I)> | 43.9 | 2.4 |
| Completeness [%] | 99.7 | 98.9 |
| Redundancy | 5.7 | 5.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 289 | 2M ammonium sulfate, 0.1M Bis-Tris pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K |
