2GD2
The 1,1-proton transfer reaction mechanism by alpha-methylacyl-CoA racemase is catalyzed by an aspartate/histidine pair and involves a smooth, methionine-rich surface for binding the fatty acyl moiety
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | MAX II BEAMLINE I711 |
Synchrotron site | MAX II |
Beamline | I711 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-10-26 |
Detector | MARRESEARCH |
Wavelength(s) | 1.395 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 181.120, 80.030, 118.620 |
Unit cell angles | 90.00, 91.58, 90.00 |
Refinement procedure
Resolution | 19.800 - 1.700 |
R-factor | 0.208 |
Rwork | 0.208 |
R-free | 0.24988 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1x74 |
RMSD bond length | 0.018 |
RMSD bond angle | 1.766 |
Data scaling software | XDS |
Phasing software | MOLREP |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 35.000 | 1.750 |
High resolution limit [Å] | 1.700 | 1.700 |
Rmerge | 0.092 | 0.407 |
Number of reflections | 176396 | |
<I/σ(I)> | 9.6 | 3.3 |
Completeness [%] | 94.8 | 91.4 |
Redundancy | 4.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 294 | 1.52M Ammonium phosphate, 10mM Barium chloride, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 294K |