1DC4
STRUCTURAL ANALYSIS OF GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE FROM ESCHERICHIA COLI: DIRECT EVIDENCE FOR SUBSTRATE BINDING AND COFACTOR-INDUCED CONFORMATIONAL CHANGES
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | ENRAF-NONIUS FR571 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1999-08-03 |
Detector | MAC Science DIP-2030 |
Spacegroup name | I 41 |
Unit cell lengths | 120.820, 120.820, 157.680 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 2.500 |
R-factor | 0.198 |
Rwork | 0.198 |
R-free | 0.25800 |
RMSD bond length | 0.008 * |
RMSD bond angle | 1.380 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | X-PLOR |
Refinement software | X-PLOR |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.540 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.058 | 0.216 |
Total number of observations | 299063 * | |
Number of reflections | 38926 | |
<I/σ(I)> | 22.6 | |
Completeness [%] | 99.8 | 99.9 * |
Redundancy | 7.68 | 5.36 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.6 * | 18 * | PEG 4000, MAGNESIUM CHLORIDE, TRIS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | Tris-HCl | 20 (mM) | |
2 | 1 | drop | 200 (mM) | ||
3 | 1 | drop | dithiothreitol | 1 (mM) | |
4 | 1 | drop | EDTA | 1 (mM) | |
5 | 1 | drop | protain | 20 (mg/ml) | |
6 | 1 | reservoir | PEG4000 | 15 (%) | |
7 | 1 | reservoir | 0.8-0.9 (M) | ||
8 | 1 | reservoir | Tris-HCl | 0.1 (M) |