3D65
Crystal structure of Textilinin-1, a Kunitz-type serine protease inhibitor from the Australian Common Brown snake venom, in complex with trypsin
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU FR-E SUPERBRIGHT |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2006-08-16 |
Detector | RIGAKU RAXIS IV |
Wavelength(s) | 1.54 |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 79.838, 79.838, 107.394 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 37.420 - 1.640 |
R-factor | 0.21438 |
Rwork | 0.213 |
R-free | 0.24548 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3ptn |
RMSD bond length | 0.019 |
RMSD bond angle | 1.669 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | EPMR |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.690 |
High resolution limit [Å] | 1.630 | 1.630 |
Rmerge | 0.055 | 0.494 |
Number of reflections | 49994 | |
<I/σ(I)> | 22.2 | 11.47 |
Completeness [%] | 97.1 | 90.7 |
Redundancy | 3.85 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | 0.1M HEPES-Na, 1.4M tri-sodium citrate dehydrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |