1KTB
The Structure of alpha-N-Acetylgalactosaminidase
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 | 1999-10-15 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 1.054 |
| Spacegroup name | P 43 21 2 |
| Unit cell lengths | 72.593, 72.593, 176.066 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 38.640 - 1.900 |
| R-factor | 0.211 |
| Rwork | 0.211 |
| R-free | 0.22200 |
| Structure solution method | MIR |
| RMSD bond length | 0.006 |
| RMSD bond angle | 23.700 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.930 |
| High resolution limit [Å] | 1.900 | 1.900 |
| Rmerge | 0.060 | 0.568 |
| Total number of observations | 505767 * | |
| Number of reflections | 37980 | 1858 * |
| <I/σ(I)> | 13.5 | 6.3 |
| Completeness [%] | 99.7 | 100 |
| Redundancy | 13.3 | 17.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion * | 5.6 | 293 | lithium sulfate, ammonium sulfate, sodium acetate, pH 5.6, VAPOR DIFFUSION, HANGING DROP at 293K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | reservoir | ammonium sulfate | 0.6 (M) | |
| 2 | 1 | reservoir | lithium sulfate | 0.9 (M) | |
| 3 | 1 | reservoir | sodium acetate | 0.1 (M) | pH5.6 |
