2A4O
Dual modes of modification of Hepatitis A virus 3C protease by a serine derived beta-lactone: selective crytstallization and high resolution structure of the His102 adduct
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ALS BEAMLINE 8.3.1 |
Synchrotron site | ALS |
Beamline | 8.3.1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-04-20 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 1.115889 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 43.914, 56.072, 81.293 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 10.000 - 1.550 |
R-factor | 0.17905 |
Rwork | 0.178 |
R-free | 0.19759 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.010 |
RMSD bond angle | 1.192 |
Data scaling software | CCP4 ((SCALA)) |
Phasing software | CNS |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 46.190 | 1.630 |
High resolution limit [Å] | 1.550 | 1.550 |
Rmerge | 0.052 | 0.343 |
Number of reflections | 29065 | |
<I/σ(I)> | 1.6 | |
Completeness [%] | 97.6 | 95.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 297 | PEG 8000, Glycerol, Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K |