2II4
Crystal structure of a cubic core of the dihydrolipoamide acyltransferase (E2b) component in the branched-chain alpha-ketoacid dehydrogenase complex (BCKDC), Coenzyme A-bound 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 | 195.234, 195.234, 172.756 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 50.000 - 2.590 |
R-factor | 0.173 |
Rwork | 0.170 |
R-free | 0.22900 |
Structure solution method | FOURIER SYNTHESIS |
RMSD bond length | 0.020 |
RMSD bond angle | 1.919 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Refinement software | REFMAC |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 2.690 |
High resolution limit [Å] | 2.590 | 5.600 | 2.590 |
Rmerge | 0.070 | 0.027 | 0.519 |
Number of reflections | 75843 | ||
<I/σ(I)> | 18.1 | ||
Completeness [%] | 100.0 | 99.9 | 100 |
Redundancy | 6.1 | 6.2 | 5.2 |
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 |