2IQD
Crystal Structure of Aldose Reductase complexed with Lipoic Acid
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 277 |
Detector technology | IMAGE PLATE |
Collection date | 1999-10-14 |
Detector | RIGAKU RAXIS IIC |
Wavelength(s) | 1.5418 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 50.011, 67.023, 91.980 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 2.000 |
R-factor | 0.1952 |
Rwork | 0.193 |
R-free | 0.23900 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 1az1 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | X-PLOR |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.050 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.039 | 0.066 |
Number of reflections | 17234 | |
<I/σ(I)> | 24.5 | 15.3 |
Completeness [%] | 79.4 | 57.6 |
Redundancy | 1.9 | 1.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 277 | 20 % PEG 6000, 50 mM Citrate, subsequent glutaraldehyde x-linking, ligand soaking, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |