3FZY
Crystal Structure of Pre-cleavage Form of Cysteine Protease Domain from Vibrio cholerae RtxA Toxin
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 21-ID-F |
Synchrotron site | APS |
Beamline | 21-ID-F |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2008-09-11 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.97872 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 46.055, 66.373, 137.958 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 23.670 - 1.950 |
R-factor | 0.1713 |
Rwork | 0.169 |
R-free | 0.21616 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3eeb |
RMSD bond length | 0.013 |
RMSD bond angle | 1.696 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.5.0051) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 1.980 |
High resolution limit [Å] | 1.950 | 1.950 |
Rmerge | 0.076 | 0.448 |
Number of reflections | 32396 | |
<I/σ(I)> | 3.1 | |
Completeness [%] | 99.4 | 95.3 |
Redundancy | 6.7 | 3.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 295 | The PEGs II Suite, condition 72 mixed 1:1 v/v with 7.3mg/mL protein, 0.3M NaCl, 0.5mM InsP6, 10mM Tris-HCl (pH 7.4), VAPOR DIFFUSION, SITTING DROP, temperature 295K, pH 8.5 |