2FH6
Crystal Structure Analysis of Klebsiella pneumoniae pullulanase complexed with glucose
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SPRING-8 BEAMLINE BL41XU |
| Synchrotron site | SPring-8 |
| Beamline | BL41XU |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2001-09-28 |
| Detector | MARRESEARCH |
| Wavelength(s) | 0.71 |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 149.263, 60.420, 133.650 |
| Unit cell angles | 90.00, 111.98, 90.00 |
Refinement procedure
| Resolution | 14.960 - 1.800 |
| R-factor | 0.185 |
| Rwork | 0.185 |
| R-free | 0.21200 |
| Structure solution method | MIR |
| RMSD bond length | 0.005 |
| RMSD bond angle | 1.300 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | PHASES |
| Refinement software | CNS (1.1) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.650 |
| High resolution limit [Å] | 1.590 | 1.590 |
| Rmerge | 0.072 | 0.294 |
| Number of reflections | 123467 | |
| <I/σ(I)> | 9.4 | 5.9 |
| Completeness [%] | 83.1 | 57.3 |
| Redundancy | 3.19 | 2.7 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 15-25% polyethyleneglycol 6000 in 0.2M magnesium acetate, 0.2M sodium acetate buffer, The crystal was soaked with 300mM glucose for 30 min at 20 deg.C, followed by flash-freezing in a nitrogen gas stream at 100K without any cryo-protectant., pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
