4E30
X-ray Structure of the H181N/E224Q double mutant of TcaB9, a C-3'-Methyltransferase, in Complex with S-Adenosyl-L-Homocysteine and dTDP
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU200 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2011-06-27 |
| Detector | Bruker Platinum 135 |
| Wavelength(s) | 1.54178 |
| Spacegroup name | P 21 21 2 |
| Unit cell lengths | 100.660, 114.286, 37.857 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 38.000 - 1.500 |
| R-factor | 0.18679 |
| Rwork | 0.185 |
| R-free | 0.21765 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3ndj |
| RMSD bond length | 0.010 |
| RMSD bond angle | 2.271 |
| Data reduction software | SAINT |
| Data scaling software | SADABS |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 38.000 | 1.600 |
| High resolution limit [Å] | 1.500 | 1.500 |
| Rmerge | 0.071 | 0.359 |
| Number of reflections | 69471 | |
| <I/σ(I)> | 10.3 | 2.8 |
| Completeness [%] | 97.8 | 95.3 |
| Redundancy | 5.7 | 3.03 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 298 | 1.2-1.6 M sodium/potassium phosphate, 10 mM dTMP, 5 mM S-adenosyl-L-homocysteine, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
