4ZU6
Crystal Structure of O-Acetylserine Sulfhydrylase from Haemophilus influenzae in complex with pre-reactive o-acetyl serine, alpha-aminoacrylate reaction intermediate and Peptide inhibitor at the resolution of 2.25A
Replaces: 4MH9Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU MICROMAX-007 HF |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2011-07-13 |
Detector | MAR scanner 345 mm plate |
Wavelength(s) | 1.5418 |
Spacegroup name | I 41 |
Unit cell lengths | 112.634, 112.634, 43.490 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 2.030 |
R-factor | 0.1906 |
Rwork | 0.189 |
R-free | 0.22960 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4ho1 |
RMSD bond length | 0.008 |
RMSD bond angle | 1.159 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX (1.9_1692) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 35.500 | 2.200 |
High resolution limit [Å] | 2.030 | 2.030 |
Rmerge | 0.050 | 0.190 |
Number of reflections | 17815 | |
<I/σ(I)> | 51 | 8.64 |
Completeness [%] | 99.0 | 92 |
Redundancy | 6.6 | 5.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 0.1M HEPES, 1.4M sodium citrate |