1GHX
A NOVEL SERINE PROTEASE INHIBITION MOTIF INVOLVING A MULTI-CENTERED SHORT HYDROGEN BONDING NETWORK AT THE ACTIVE SITE
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 298 |
Detector technology | IMAGE PLATE |
Collection date | 2000-03-01 |
Detector | RIGAKU RAXIS IV |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 72.300, 71.950, 72.960 |
Unit cell angles | 90.00, 101.54, 90.00 |
Refinement procedure
Resolution | 7.000 - 1.650 |
R-factor | 0.207 * |
Rwork | 0.207 |
R-free | 0.25500 |
RMSD bond length | 0.018 |
RMSD bond angle | 3.700 |
Data reduction software | bioteX |
Data scaling software | bioteX |
Refinement software | X-PLOR (3.851) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.690 |
High resolution limit [Å] | 1.320 * | 1.570 |
Rmerge | 0.067 | 0.364 |
Total number of observations | 71823 * | |
Number of reflections | 36570 | |
<I/σ(I)> | 7 | |
Completeness [%] | 42.0 | 27.3 |
Redundancy | 2.00 * |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 7.3 | 298 | PEG 4000, NaCl (soak at pH 8.2), pH 7.3, vapor diffusion, temperature 298K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 10 (mg/ml) | |
2 | 1 | reservoir | HEPES | 0.10 (M) | pH7.5 or 8.2 |
3 | 1 | reservoir | 0.30 (M) | ||
4 | 1 | reservoir | PEG5000 MME | 22 (%(v/v)) |