4ZIQ
Crystal structure of trypsin activated alpha-2-macroglobulin from Escherichia coli.
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | ALBA BEAMLINE XALOC |
Synchrotron site | ALBA |
Beamline | XALOC |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2013-02-09 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 0.9724, 0.9768, 0.9788, 0.9793, 0.9791 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 274.280, 95.360, 81.090 |
Unit cell angles | 90.00, 104.77, 90.00 |
Refinement procedure
Resolution | 47.680 - 2.550 |
R-factor | 0.1903 |
Rwork | 0.190 |
R-free | 0.22130 |
Structure solution method | SIRAS |
RMSD bond length | 0.009 |
RMSD bond angle | 1.050 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | SHELXDE |
Refinement software | BUSTER (2.10.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 47.700 | 2.700 |
High resolution limit [Å] | 2.550 | 2.550 |
Rmerge | 0.100 | 1.163 |
Number of reflections | 65409 | |
<I/σ(I)> | 19.3 | 2.2 |
Completeness [%] | 99.4 | 98.8 |
Redundancy | 14.9 | 9.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293.5 | 12-16% [w/v] PEG8,000 100mM Tris-HCl |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293.5 | 12-16% [w/v] PEG8,000 100mM Tris-HCl |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293.5 | 12-16% [w/v] PEG8,000 100mM Tris-HCl |