1RCQ
The 1.45 A crystal structure of alanine racemase from a pathogenic bacterium, Pseudomonas aeruginosa, contains both internal and external aldimine forms
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 14-BM-D |
| Synchrotron site | APS |
| Beamline | 14-BM-D |
| Temperature [K] | 93 |
| Detector technology | CCD |
| Collection date | 2000-09-03 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.9840, 0.9795, 0.9791, 0.9611 |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 72.679, 76.129, 136.266 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 30.000 - 1.450 |
| Rwork | 0.149 |
| R-free | 0.20600 |
| Structure solution method | MAD |
| RMSD bond length | 0.010 |
| RMSD bond angle | 2.180 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | SOLVE |
| Refinement software | SHELXL-97 |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 99.000 | 1.480 |
| High resolution limit [Å] | 1.450 | 1.450 |
| Rmerge | 0.030 | 0.150 |
| Number of reflections | 56981 | |
| <I/σ(I)> | 51.5 | 3.9 |
| Completeness [%] | 84.7 | 36.2 |
| Redundancy | 6.3 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 277 | PEG 400, ammonium sulfate, HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
