2IMO
Crystal structure of allantoate amidohydrolase from Escherichia coli at pH 4.6
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X25 |
Synchrotron site | NSLS |
Beamline | X25 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-09-25 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.9877,0.9792,0.94 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 94.747, 183.923, 48.777 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 48.780 - 2.800 |
R-factor | 0.245 |
Rwork | 0.245 |
R-free | 0.30200 |
Structure solution method | MAD |
RMSD bond length | 0.009 |
RMSD bond angle | 1.600 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | SHELXD |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.880 |
High resolution limit [Å] | 2.800 | 2.800 |
Rmerge | 0.110 | 0.500 |
Number of reflections | 19631 | |
<I/σ(I)> | 6.9 | 2 |
Completeness [%] | 98.0 | 84.9 |
Redundancy | 13.1 | 9.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 298 | 0.05 M KH2PO4, 20%PEG8000, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K |