1J93
Crystal Structure and Substrate Binding Modeling of the Uroporphyrinogen-III Decarboxylase from Nicotiana tabacum: Implications for the Catalytic Mechanism
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | MPG/DESY, HAMBURG BEAMLINE BW6 |
| Synchrotron site | MPG/DESY, HAMBURG |
| Beamline | BW6 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 1999-03-02 |
| Detector | MARRESEARCH |
| Wavelength(s) | 1.05 |
| Spacegroup name | P 6 2 2 |
| Unit cell lengths | 158.440, 158.440, 67.680 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 18.000 - 2.300 |
| R-factor | 0.209 * |
| Rwork | 0.209 |
| R-free | 0.25600 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1uro |
| RMSD bond length | 0.007 |
| RMSD bond angle | 1.225 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 18.000 | 18.000 |
| High resolution limit [Å] | 2.300 | 2.300 |
| Rmerge | 0.060 * | 0.346 * |
| Total number of observations | 257709 * | |
| Number of reflections | 22173 | |
| <I/σ(I)> | 26.1 | 4.3 |
| Completeness [%] | 97.7 | 98.3 |
| Redundancy | 2.14 | 3.95 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 * | 22 * | ammonium sulfate, pH 9.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 2-3 (mg/ml) | |
| 2 | 1 | drop | Tris-HCl | 10 (mM) | |
| 3 | 1 | reservoir | ammonium sulfate | 1.2 (M) |
