3IWQ
X-ray crystal structure of the extended-spectrum AmpC E219K mutant beta-lactamase at 1.84 Angstrom resolution
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 | 2009-07-16 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 1.11587 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 118.221, 76.898, 116.549 |
Unit cell angles | 90.00, 130.87, 90.00 |
Refinement procedure
Resolution | 30.000 - 1.840 |
R-factor | 0.17575 |
Rwork | 0.175 |
R-free | 0.19493 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1ke4 |
RMSD bond length | 0.013 |
RMSD bond angle | 1.413 |
Data reduction software | MOSFLM |
Data scaling software | SCALA (3.3.9) |
Phasing software | MOLREP |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 88.062 | 1.880 |
High resolution limit [Å] | 1.840 | 1.840 |
Number of reflections | 64171 | |
Completeness [%] | 94.0 | |
Redundancy | 4.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.7 | 293 | 1.7M KPi, pH 8.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K |