7VT9
CRYSTAL STRUCTURE AT 3.4 ANGSTROMS RESOLUTION OF Maltodextrin glucosidase, MalZ, FROM Escherichia coli
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | PAL/PLS BEAMLINE 7A (6B, 6C1) |
Synchrotron site | PAL/PLS |
Beamline | 7A (6B, 6C1) |
Temperature [K] | 195 |
Detector technology | CCD |
Collection date | 2013-10-02 |
Detector | ADSC QUANTUM 270 |
Wavelength(s) | 1 |
Spacegroup name | I 41 2 2 |
Unit cell lengths | 204.186, 204.186, 267.916 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 40.910 - 3.300 |
R-factor | 0.3051 |
Rwork | 0.303 |
R-free | 0.34310 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2d0g |
RMSD bond length | 0.015 |
RMSD bond angle | 1.829 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX (1.19.2_4158) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.910 | 3.418 |
High resolution limit [Å] | 3.300 | 3.300 |
Rmerge | 0.355 | 0.001 |
Number of reflections | 43678 | 4169 |
<I/σ(I)> | 4.02 | |
Completeness [%] | 99.9 | 99.2 |
Redundancy | 25.4 | 14.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 291 | 20% polyacrylic acid 5100, 100 mM HEPES/Sodium hydroxide pH 7.0 and 20 mM Magnesium chloride |