1BY8
THE CRYSTAL STRUCTURE OF HUMAN PROCATHEPSIN K
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | SIEMENS |
| Temperature [K] | 287 |
| Detector technology | AREA DETECTOR |
| Collection date | 1996-08-15 |
| Detector | SIEMENS |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 56.780, 156.550, 96.260 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 10.000 - 2.600 |
| R-factor | 0.214 |
| Rwork | 0.214 |
| R-free | 0.34400 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1au0 |
| RMSD bond length | 0.006 |
| RMSD bond angle | 28.100 * |
| Data reduction software | X-GEN |
| Data scaling software | X-GEN |
| Phasing software | X-PLOR |
| Refinement software | X-PLOR (3.1) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 10.000 | 2.744 |
| High resolution limit [Å] | 2.600 | 2.600 |
| Rmerge | 0.069 | 0.320 |
| Total number of observations | 54032 * | |
| Number of reflections | 12036 | |
| <I/σ(I)> | 9.6 | 13.5 |
| Completeness [%] | 92.0 | 60 * |
| Redundancy | 4.5 | 2.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, hanging drop * | 7.6 * | 4 * | 8-10 % PEG 6000, 0.1M NA CITRATE, PH 5.0 |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | sodium phosphate | 25 (mM) | |
| 2 | 1 | drop | protein | 10 (mg/ml) | |
| 3 | 1 | drop | 0.5 (M) | ||
| 4 | 1 | reservoir | PEG6000 | 8-10 (%) | |
| 5 | 1 | reservoir | sodium citrate | 0.1 (M) |
