2G3M
Crystal structure of the Sulfolobus solfataricus alpha-glucosidase MalA
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID23-1 |
Synchrotron site | ESRF |
Beamline | ID23-1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-12-20 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.9791 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 103.170, 173.560, 154.080 |
Unit cell angles | 90.00, 108.00, 90.00 |
Refinement procedure
Resolution | 34.250 - 2.550 |
R-factor | 0.17 |
Rwork | 0.170 |
R-free | 0.19500 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | Trimmed polyalanine version of PDB CODE 1XSI (A chain) |
RMSD bond length | 0.006 |
RMSD bond angle | 1.300 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | MOLREP |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 35.000 | 2.650 |
High resolution limit [Å] | 2.550 | 2.550 |
Rmerge | 0.087 | 0.304 |
Number of reflections | 167412 | |
<I/σ(I)> | 16.78 | 7.1 |
Completeness [%] | 99.2 | |
Redundancy | 7.5 | 7.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.1 | 298 | 11% PEG 4000, 0.2 M sodium citrate, 0.1 M sodium acetate, microseeding, pH 4.1, VAPOR DIFFUSION, HANGING DROP, temperature 298K |