4JJX
Dodecameric structure of spermidine N-acetyltransferase SpeG from Vibrio cholerae O1 biovar eltor
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 | 2012-04-23 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.97872 |
Spacegroup name | P 42 21 2 |
Unit cell lengths | 131.524, 131.524, 72.668 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.970 - 2.830 |
R-factor | 0.19729 |
Rwork | 0.194 |
R-free | 0.26479 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3EG7 |
RMSD bond length | 0.010 |
RMSD bond angle | 1.399 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.7.0032) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.870 |
High resolution limit [Å] | 2.820 | 2.820 |
Rmerge | 0.120 | 0.700 |
Number of reflections | 15565 | |
<I/σ(I)> | 19.4 | 2 |
Completeness [%] | 98.8 | 99.7 |
Redundancy | 3.5 | 3.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 45% Ethanol, VAPOR DIFFUSION, SITTING DROP, temperature 293K |