2P2N
Crystal Structure and Allosteric Regulation of the Cytoplasmic Escherichia coli L-Asparaginase I
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 22-ID |
Synchrotron site | APS |
Beamline | 22-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-03-06 |
Detector | MARRESEARCH |
Wavelength(s) | 1.01259 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 90.315, 89.757, 93.083 |
Unit cell angles | 90.00, 117.03, 90.00 |
Refinement procedure
Resolution | 50.000 - 1.900 |
Rwork | 0.223 |
R-free | 0.26400 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.013 |
RMSD bond angle | 1.369 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.970 |
High resolution limit [Å] | 1.900 | 1.900 |
Number of reflections | 95017 | |
<I/σ(I)> | 17.9 | 5 |
Completeness [%] | 90.6 | |
Redundancy | 3.6 | 3.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION | 4 | 291 | citric acid, sodium chloride, pH 4.0, VAPOR DIFFUSION, temperature 291.0K |