3DEJ
Crystal Structures of Caspase-3 with Bound Isoquinoline-1,3,4-trione Derivative Inhibitors
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | PHOTON FACTORY BEAMLINE BL-17A |
Synchrotron site | Photon Factory |
Beamline | BL-17A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-06-23 |
Detector | ADSC QUANTUM 270 |
Wavelength(s) | 1.0000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 65.433, 96.675, 180.446 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 46.450 - 2.600 |
R-factor | 0.217 |
Rwork | 0.214 |
R-free | 0.27400 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1gfw |
RMSD bond length | 0.010 |
RMSD bond angle | 1.242 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | REFMAC (5.1.24) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.690 |
High resolution limit [Å] | 2.600 | 2.600 |
Rmerge | 0.121 | 0.482 |
Number of reflections | 35800 | |
<I/σ(I)> | 7.6 | |
Completeness [%] | 99.2 | 94.1 |
Redundancy | 4.4 | 3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 277 | 4-6% polyethylene glycol 6000, 0.1M HEPES pH 7.6, 20mM L-cysteine, 5% glycerol, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K |