2EX6
Crystal structure of penicillin binding protein 4 (dacB) from Escherichia coli, complexed with ampicillin
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 |
Collection date | 2005-05-19 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 1.00000 |
Spacegroup name | P 41 21 2 |
Unit cell lengths | 95.704, 95.704, 115.952 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.600 |
R-factor | 0.21779 |
Rwork | 0.216 |
R-free | 0.24977 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.014 |
RMSD bond angle | 1.458 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | REFMAC (5.2.0003) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.660 |
High resolution limit [Å] | 1.600 | 1.600 |
Rmerge | 0.060 | 0.311 |
Number of reflections | 68074 | |
<I/σ(I)> | 14.9 | |
Completeness [%] | 95.2 | 69.9 |
Redundancy | 6.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 5% PEG 20000, 0.1M MES(pH6.5), VAPOR DIFFUSION, HANGING DROP, temperature 293K |