2FI5
Crystal structure of a BPTI variant (Cys38->Ser) in complex with trypsin
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | ENRAF-NONIUS FR591 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-03-01 |
Detector | NONIUS KAPPA CCD2000 |
Wavelength(s) | 1.5418 |
Spacegroup name | I 2 2 2 |
Unit cell lengths | 74.726, 81.615, 124.068 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.580 |
R-factor | 0.2098 |
Rwork | 0.209 |
R-free | 0.22310 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | PDB ID 2FI3 |
RMSD bond length | 0.005 |
RMSD bond angle | 1.330 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.640 |
High resolution limit [Å] | 1.580 | 1.580 |
Rmerge | 0.064 | 0.363 |
Number of reflections | 52039 | |
<I/σ(I)> | 12.3 | 3.3 |
Completeness [%] | 99.8 | 97.5 |
Redundancy | 11.9 | 5.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 296 | 1.5 M ammonium sulfate, 0.1 M HEPES, 0.02% sodium azide, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K |