1RPK
Crystal structure of barley alpha-amylase isozyme 1 (amy1) in complex with acarbose
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | ENRAF-NONIUS FR591 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1999-11-10 |
Detector | MARRESEARCH |
Wavelength(s) | 1.5418 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 93.390, 72.920, 61.390 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 17.360 - 2.000 |
R-factor | 0.18 |
Rwork | 0.180 |
R-free | 0.23100 |
Structure solution method | FOURIER DIFFERENCE |
Starting model (for MR) | 1ht6 |
RMSD bond length | 0.010 |
RMSD bond angle | 1.500 |
Data reduction software | DENZO |
Data scaling software | CCP4 ((SCALA)) |
Phasing software | CNS |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 17.360 | 2.050 |
High resolution limit [Å] | 2.000 | 2.000 |
Number of reflections | 27344 | |
<I/σ(I)> | 4.2 | 1.2 |
Completeness [%] | 100.0 | 100 |
Redundancy | 3.5 | 3.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.7 | 290 | PEG 8000, ISOPROPANOL, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 290K |