3D3A
Crystal structure of a beta-galactosidase from Bacteroides thetaiotaomicron
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X29A |
Synchrotron site | NSLS |
Beamline | X29A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2008-04-21 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.97900 |
Spacegroup name | P 43 |
Unit cell lengths | 117.017, 117.017, 59.711 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 32.460 - 2.150 |
R-factor | 0.214 |
Rwork | 0.214 |
R-free | 0.25400 |
Structure solution method | SAD |
RMSD bond length | 0.006 |
RMSD bond angle | 1.300 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | SHELXD |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.210 |
High resolution limit [Å] | 2.130 | 2.130 |
Rmerge | 0.122 | 0.293 |
Number of reflections | 42306 | |
<I/σ(I)> | 11.9 | 1 |
Completeness [%] | 92.9 | 57.6 |
Redundancy | 4.6 | 2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 298 | 30% PEG 1500, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K |