1HA5
Structural features of a zinc-binding site in the superantigen streptococcal pyrogenic exotoxin A (SpeA1): implications for MHC class II recognition.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | EMBL/DESY, HAMBURG BEAMLINE X11 |
Synchrotron site | EMBL/DESY, HAMBURG |
Beamline | X11 |
Temperature [K] | 100 |
Detector technology | CCD |
Detector | MARRESEARCH |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 126.946, 101.320, 82.019 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 39.600 - 2.820 |
R-factor | 0.214 |
Rwork | 0.214 |
R-free | 0.28340 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1b1z |
RMSD bond length | 0.007 |
RMSD bond angle | 1.300 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 2.900 |
High resolution limit [Å] | 2.800 | 2.800 |
Rmerge | 0.108 | 0.285 |
Number of reflections | 26185 | |
<I/σ(I)> | 6.4 | 5.3 |
Completeness [%] | 95.8 | 61.3 |
Redundancy | 5.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 6.5 | pH 6.50 |