3MCO
Crystal Structure of the 6-hyroxymethyl-7,8-dihydropterin pyrophosphokinase dihydropteroate synthase bifunctional enzyme from Francisella tularensis
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 | 2008-12-15 |
| Detector | MARMOSAIC 300 mm CCD |
| Wavelength(s) | 1.0 |
| Spacegroup name | P 1 |
| Unit cell lengths | 42.521, 58.472, 109.327 |
| Unit cell angles | 82.00, 81.00, 68.08 |
Refinement procedure
| Resolution | 38.251 - 2.300 |
| R-factor | 0.243 |
| Rwork | 0.241 |
| R-free | 0.29400 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | PDB entries 2QX0 1tww |
| RMSD bond length | 0.010 |
| RMSD bond angle | 1.205 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER |
| Refinement software | PHENIX (1.5_2) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 39.200 | 2.378 |
| High resolution limit [Å] | 2.300 | 2.300 |
| Rmerge | 0.130 | 0.300 |
| Number of reflections | 41121 | |
| <I/σ(I)> | 24.8 | 4.4 |
| Completeness [%] | 96.3 | 84.9 |
| Redundancy | 3.5 | 2.8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 291 | TRIS, Na Acetate, PEG 4000, Glyerol, pH 8.0, vapor diffusion, sitting drop, temperature 291K |
