1WDQ
The role of an inner loop in the catalytic mechanism of soybean beta-amylase
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SPRING-8 BEAMLINE BL38B1 |
| Synchrotron site | SPring-8 |
| Beamline | BL38B1 |
| Temperature [K] | 298 |
| Detector technology | CCD |
| Collection date | 2003-03-14 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.71 |
| Spacegroup name | P 31 2 1 |
| Unit cell lengths | 84.989, 84.989, 144.023 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 10.000 - 1.280 |
| R-factor | 0.1347 |
| R-free | 0.17360 |
| Structure solution method | AB INITIO |
| RMSD bond length | 0.015 |
| RMSD bond angle | 0.032 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | CNS (1.1) |
| Refinement software | SHELXL-97 |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.160 |
| High resolution limit [Å] | 1.120 | 1.120 |
| Number of reflections | 216884 | |
| Completeness [%] | 94.4 | 58.7 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.4 | 277 | ammonium sulfate, sodium acetate, 2-mercaptoethanol, EDTA, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
