4E8C
Crystal structure of streptococcal beta-galactosidase in complex with galactose
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRF BEAMLINE BL17U |
Synchrotron site | SSRF |
Beamline | BL17U |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2011-04-02 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.9791 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 80.351, 82.374, 99.596 |
Unit cell angles | 90.00, 106.84, 90.00 |
Refinement procedure
Resolution | 50.000 - 1.950 |
R-factor | 0.2068 |
Rwork | 0.205 |
R-free | 0.24300 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4e8d |
RMSD bond length | 0.006 |
RMSD bond angle | 0.941 |
Data reduction software | HKL-2000 |
Data scaling software | SCALA |
Phasing software | AMoRE |
Refinement software | REFMAC (5.5.0066) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.020 |
High resolution limit [Å] | 1.950 | 1.950 |
Rmerge | 0.062 | |
Number of reflections | 88435 | |
<I/σ(I)> | 13.3 | |
Completeness [%] | 96.8 | 96.8 |
Redundancy | 2.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 |