3C1N
Crystal Structure of Allosteric Inhibition Threonine-sensitive Aspartokinase from Methanococcus jannaschii with L-threonine
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 22-ID |
| Synchrotron site | APS |
| Beamline | 22-ID |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2007-06-13 |
| Detector | MARMOSAIC 300 mm CCD |
| Wavelength(s) | 1.000 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 110.039, 144.317, 155.358 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 50.000 - 2.720 |
| R-factor | 0.239 |
| Rwork | 0.236 |
| R-free | 0.29000 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3c1m |
| RMSD bond length | 0.008 |
| RMSD bond angle | 1.124 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.800 |
| High resolution limit [Å] | 2.700 | 2.700 |
| Rmerge | 0.091 | 0.236 |
| Number of reflections | 56798 | |
| <I/σ(I)> | 18.1 | 3.4 |
| Completeness [%] | 69.1 | |
| Redundancy | 7.2 | 2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5 | 293 | 0.2M ammonium iodide, 2.2M ammonium sulfate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
