4R9M
Crystal structure of spermidine N-acetyltransferase from Escherichia coli
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 | 2011-12-09 |
| Detector | MARMOSAIC 225 mm CCD |
| Wavelength(s) | 0.97872 |
| Spacegroup name | P 42 21 2 |
| Unit cell lengths | 110.919, 110.919, 108.505 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 29.610 - 2.900 |
| R-factor | 0.17967 |
| Rwork | 0.176 |
| R-free | 0.25880 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3EG7 |
| RMSD bond length | 0.014 |
| RMSD bond angle | 1.840 |
| Data reduction software | HKL-3000 |
| Data scaling software | HKL-3000 |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.7.0032) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 2.950 |
| High resolution limit [Å] | 2.900 | 2.900 |
| Rmerge | 0.061 | 0.660 |
| Number of reflections | 15432 | |
| <I/σ(I)> | 32.3 | 2.6 |
| Completeness [%] | 99.0 | 98.2 |
| Redundancy | 7.8 | 8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293 | 3 M Sodium Formate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
