6XCE
Structure of the C. botulinum neurotoxin serotype A light chain protease in complex with covalent inhibitor 53
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SEALED TUBE |
Source details | BRUKER IMUS MICROFOCUS |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2018-10-17 |
Detector | APEX II CCD |
Wavelength(s) | 1.54178 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 50.062, 66.502, 65.107 |
Unit cell angles | 90.00, 98.42, 90.00 |
Refinement procedure
Resolution | 29.550 - 2.500 |
R-factor | 0.2622 |
Rwork | 0.257 |
R-free | 0.31030 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3bon |
RMSD bond length | 0.003 |
RMSD bond angle | 0.545 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHENIX (1.14_3260) |
Refinement software | PHENIX (1.14_3260) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 29.550 | 2.590 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.200 | 0.578 |
Number of reflections | 14436 | 1233 |
<I/σ(I)> | 7.1 | 1.6 |
Completeness [%] | 95.3 | 83.1 |
Redundancy | 6.7 | 4 |
CC(1/2) | 0.960 | 0.740 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 290 | 0.3 - 0.45 M ammonium tartrate dibasic, 15 - 25% PEG 3350 |