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 |