1SKZ
PROTEASE INHIBITOR
Experimental procedure
| Source type | SYNCHROTRON |
| Source details | EMBL/DESY, HAMBURG BEAMLINE BW7A |
| Synchrotron site | EMBL/DESY, HAMBURG |
| Beamline | BW7A |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 1996-09 |
| Detector | MARRESEARCH |
| Spacegroup name | I 4 2 2 |
| Unit cell lengths | 76.500, 76.500, 86.600 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 5.000 - 1.900 |
| R-factor | 0.217 |
| Rwork | 0.217 |
| Structure solution method | MIR |
| RMSD bond length | 0.015 |
| RMSD bond angle | 1.490 |
| Data reduction software | XDS |
| Data scaling software | XDS |
| Phasing software | X-PLOR (3.843) |
| Refinement software | X-PLOR (3.843) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 9.900 | 2.000 |
| High resolution limit [Å] | 1.900 | 1.900 |
| Rmerge | 0.080 | 0.071 |
| Total number of observations | 100326 * | |
| Number of reflections | 10300 | |
| <I/σ(I)> | 173 | 110 |
| Completeness [%] | 95.0 | 92 |
| Redundancy | 9.7 | 8.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | Schreuder, H., (1993) J.Mol.Biol., 231, 1137. * |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 5 (mg/ml) | |
| 10 | 1 | reservoir | sodium azide | 10 (mM) | |
| 11 | 1 | reservoir | ammonium sulfate | 31 (%(w/v)sat) | |
| 12 | 1 | reservoir | 2.75 (M) | ||
| 2 | 1 | drop | sodium citrate | 55 (mM) | |
| 3 | 1 | drop | PMSF | 1 (mM) | |
| 4 | 1 | drop | sodium azide | 10 (mM) | |
| 5 | 1 | drop | 2.75 (M) | ||
| 7 | 1 | drop | ammonium sulfate | 15.5 (%(w/v)sat) | |
| 8 | 1 | reservoir | sodium citrate | 100 (mM) | |
| 9 | 1 | reservoir | PMSF | 1 (mM) |
