1TW1
beta-1,4-galactosyltransferase mutant Met344His (m344H-Gal-T1) complex with UDP-galactose and magnesium
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X9B |
| Synchrotron site | NSLS |
| Beamline | X9B |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2003-03-07 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.9807 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 50.006, 91.517, 142.751 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 37.380 - 2.300 |
| R-factor | 0.1961 |
| Rwork | 0.196 |
| R-free | 0.26100 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1o0r |
| RMSD bond length | 0.011 |
| RMSD bond angle | 1.800 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | CNS (1.0) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 40.000 | 2.380 |
| High resolution limit [Å] | 2.300 | 2.300 |
| Number of reflections | 29702 | |
| Completeness [%] | 98.5 | |
| Redundancy | 2.8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | mes-NaOH, Ammonium sulfate, dioxane, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
