1MXG
Crystal Structure of a (Ca,Zn)-dependent alpha-amylase from the hyperthermophilic archaeon Pyrococcus woesei in complex with acarbose
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | EMBL/DESY, HAMBURG BEAMLINE BW7B |
Synchrotron site | EMBL/DESY, HAMBURG |
Beamline | BW7B |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2001-04-05 |
Detector | MARRESEARCH |
Wavelength(s) | 0.8453 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 51.480, 76.507, 136.455 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.600 |
R-factor | 0.159 |
Rwork | 0.159 |
R-free | 0.17200 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1mwo |
RMSD bond length | 0.005 |
RMSD bond angle | 1.270 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 99.000 * | |
High resolution limit [Å] | 1.520 | 1.520 * |
Rmerge | 0.040 | 0.209 * |
Number of reflections | 75292 | |
<I/σ(I)> | 39.9 | |
Completeness [%] | 89.8 | 69 * |
Redundancy | 8.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 298 | ethanol, tris, magnesium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 11 (mg/ml) | |
2 | 1 | reservoir | Tris | 0.1 (M) | pH8.5 |
3 | 1 | reservoir | 0.05 (M) | ||
4 | 1 | reservoir | ethanol | 40 (%(v/v)) |