2IHW
Crystal structure of a cubic core of the dihydrolipoamide acyltransferase (E2b) component in the branched-chain alpha-ketoacid dehydrogenase complex (BCKDC), apo form
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 19-ID |
| Synchrotron site | APS |
| Beamline | 19-ID |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2005-12-06 |
| Detector | ADSC QUANTUM 315 |
| Wavelength(s) | 0.98000 |
| Spacegroup name | H 3 |
| Unit cell lengths | 194.654, 194.654, 171.930 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 50.000 - 2.700 |
| R-factor | 0.186 |
| Rwork | 0.183 |
| R-free | 0.25700 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1eaa |
| RMSD bond length | 0.020 |
| RMSD bond angle | 1.890 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER |
| Refinement software | REFMAC |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.800 |
| High resolution limit [Å] | 2.700 | 2.700 |
| Rmerge | 0.056 | 0.474 |
| Number of reflections | 65296 | |
| <I/σ(I)> | 18.6 | |
| Completeness [%] | 97.8 | 94.5 |
| Redundancy | 3 | 2.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 292 | 0.1 M Na-acetate (pH 4.6), 28% PEG 4000, 0.15 M NH4-acetate, VAPOR DIFFUSION, HANGING DROP, temperature 292K |
