1KXH
Crystal structure of the complex between an inactive mutant of psychrophilic alpha-amylase (D174N) and acarbose
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | ENRAF-NONIUS FR591 |
Temperature [K] | 277 |
Detector technology | IMAGE PLATE |
Collection date | 1999-04-07 |
Detector | MARRESEARCH |
Wavelength(s) | 1.5418 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 71.100, 139.900, 115.300 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 27.700 - 2.300 |
Rwork | 0.138 |
R-free | 0.18800 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 1aqm |
RMSD bond length | 0.008 |
RMSD bond angle | 1.570 |
Data reduction software | DENZO |
Data scaling software | SCALA |
Phasing software | X-PLOR |
Refinement software | X-PLOR (3.843) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 29.700 | 2.360 |
High resolution limit [Å] | 2.300 | 2.300 |
Rmerge | 0.092 | 0.309 |
Number of reflections | 24442 | |
<I/σ(I)> | 11.2 | 4.7 |
Completeness [%] | 95.6 | 91.1 |
Redundancy | 3.9 | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | MPD, hepes, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 293K |