8OR6
Crystal structure of Drosophila melanogaster alpha-amylase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID23-2 |
Synchrotron site | ESRF |
Beamline | ID23-2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2006-12-15 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.8726 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 80.440, 73.090, 99.290 |
Unit cell angles | 90.00, 98.27, 90.00 |
Refinement procedure
Resolution | 44.780 - 2.500 |
R-factor | 0.2106 |
Rwork | 0.208 |
R-free | 0.26620 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.002 |
RMSD bond angle | 0.472 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | PHASER |
Refinement software | PHENIX (1.20.1_4487) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 44.780 | 2.600 |
High resolution limit [Å] | 2.500 | 2.500 |
Number of reflections | 39454 | 4144 |
<I/σ(I)> | 6.4 | 3 |
Completeness [%] | 99.2 | |
Redundancy | 3.8 | 3.6 |
CC(1/2) | 0.967 | 0.641 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 291 | 20 % PEG MME 0.1 M NaCl 0.1 M bicine, pH 9.0 |