1KQA
GALACTOSIDE ACETYLTRANSFERASE IN COMPLEX WITH COENZYME A
Experimental procedure
| Experimental method | SINGLE WAVELENGTH | 
| Source type | ROTATING ANODE | 
| Source details | RIGAKU RU200 | 
| Temperature [K] | 298 | 
| Detector technology | AREA DETECTOR | 
| Collection date | 2000-01-10 | 
| Detector | SIEMENS HI-STAR | 
| Wavelength(s) | 1.5418 | 
| Spacegroup name | C 2 2 21 | 
| Unit cell lengths | 65.700, 182.500, 121.200 | 
| Unit cell angles | 90.00, 90.00, 90.00 | 
Refinement procedure
| Resolution | 28.000 - 3.200 | 
| R-factor | 0.195 * | 
| Rwork | 0.195 | 
| R-free | 0.22200 | 
| Structure solution method | MOLECULAR REPLACEMENT | 
| RMSD bond length | 0.011 | 
| RMSD bond angle | 26.900 * | 
| Data reduction software | X-GEN | 
| Data scaling software | XDS | 
| Phasing software | X-PLOR | 
| Refinement software | X-PLOR (3.851) | 
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 99.000 | 3.300 | 
| High resolution limit [Å] | 3.200 | 3.200 | 
| Rmerge | 0.127 | 0.243 | 
| Total number of observations | 69299 * | |
| Number of reflections | 12072 | |
| Completeness [%] | 96.0 | 79.4 | 
| Redundancy | 5.7 | 
Crystallization Conditions
| crystal ID | method | pH | temperature | details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 298 | Wang, X.G., (1999) Acta Crystallogr., D55, 1955. * | 
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details | 
| 1 | 1 | drop | protein | 14 (mg/ml) | |
| 2 | 1 | drop | Tris-HCl | 25 (mM) | pH7.8 | 
| 3 | 1 | drop | beta-mercaptoethanol | 1 (mM) | |
| 4 | 1 | drop | acetyl-CoA | 10 (mM) | |
| 5 | 1 | reservoir | ammonium sulfate | 2.3 (M) | |
| 6 | 1 | reservoir | HEPES | 0.1 (M) | pH7.4 | 
| 7 | 1 | reservoir | L(+)-tartaric acid | 0.17 (M) | 











