1CA1
ALPHA-TOXIN FROM CLOSTRIDIUM PERFRINGENS
Experimental procedure
Source type | SYNCHROTRON |
Source details | SRS BEAMLINE PX9.5 |
Synchrotron site | SRS |
Beamline | PX9.5 |
Temperature [K] | 295 |
Detector technology | IMAGE PLATE |
Collection date | 1995-08 |
Detector | MAR scanner 300 mm plate |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 61.300, 177.300, 79.100 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.000 - 1.900 |
R-factor | 0.208 |
Rwork | 0.208 |
R-free | 0.25400 |
Structure solution method | SIR, MOLECULAR REPLACEMENT AND CROSS-CRYSTAL AVERAGING |
Starting model (for MR) | INCOMPLETE EARLIER CHAIN TRACE OF ALTERNATE STRAIN |
RMSD bond length | 0.012 |
RMSD bond angle | 23.262 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | X-PLOR (3.1) |
Refinement software | X-PLOR (3.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 1.960 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.065 | 0.157 |
Total number of observations | 202958 * | |
Number of reflections | 30175 | |
<I/σ(I)> | 13.5 | 4.3 |
Completeness [%] | 91.0 * | 73.8 |
Redundancy | 5.26 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 7.5 | 20 * | pH 7.5 |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | 0.05 (M) | ||
2 | 1 | drop | Na-HEPES | 0.1 (M) | |
3 | 1 | reservoir | sodium acetate | 1 (M) |