3A3I
Crystal structure of penicillin binding protein 4 (dacB) from Haemophilus influenzae, complexed with ampicillin (AIX)
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | PHOTON FACTORY BEAMLINE BL-5A |
| Synchrotron site | Photon Factory |
| Beamline | BL-5A |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Detector | ADSC QUANTUM 315 |
| Wavelength(s) | 1.0 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 64.449, 92.343, 104.409 |
| Unit cell angles | 90.00, 107.66, 90.00 |
Refinement procedure
| Resolution | 31.720 - 2.000 |
| R-factor | 0.17806 |
| Rwork | 0.176 |
| R-free | 0.22477 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.025 |
| RMSD bond angle | 2.070 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.5.0066) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.070 |
| High resolution limit [Å] | 2.000 | 2.000 |
| Rmerge | 0.073 | |
| Number of reflections | 74735 | |
| Completeness [%] | 94.6 | 70.2 |
| Redundancy | 3.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 0.1M HEPES pH 7.5, 25% (w/v) PEG 6000 and 5% (v/v) glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
