1BI4
CATALYTIC DOMAIN OF HIV-1 INTEGRASE
Experimental procedure
| Source type | ROTATING ANODE |
| Source details | ENRAF-NONIUS FR591 |
| Temperature [K] | 298 |
| Detector technology | IMAGE PLATE |
| Collection date | 1996-08-21 |
| Detector | MACSCIENCE |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 99.100, 72.500, 79.400 |
| Unit cell angles | 90.00, 108.00, 90.00 |
Refinement procedure
| Resolution | 15.000 - 2.500 |
| R-factor | 0.232 |
| Rwork | 0.232 |
| R-free | 0.27100 |
| Structure solution method | MR |
| Starting model (for MR) | 1itg |
| RMSD bond length | 0.006 |
| RMSD bond angle | 1.100 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | X-PLOR (3.851) |
| Refinement software | X-PLOR (3.851) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 15.000 | 2.250 |
| High resolution limit [Å] | 2.200 | 2.200 |
| Rmerge | 0.088 * | 0.246 * |
| Number of reflections | 19078 * | |
| <I/σ(I)> | 8 | 7.3 |
| Completeness [%] | 96.8 * | 95.2 * |
| Redundancy | 2.4 * | 3.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion * | 7.5 | 435 MM SODIUM CITRATE, 50 MM HEPES-HCL, PH 7.5, 7.5 MM DTT, PROTEIN CONCENTRATION, 0.13 MM |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | MES-NaOH | 25 (mM) | |
| 2 | 1 | drop | 25 (mM) | ||
| 3 | 1 | drop | dithiothreitol | 7.5 (mM) | |
| 4 | 1 | drop | sodium citrate | 435 (mM) | |
| 5 | 1 | drop | HEPES-HCl | 50 (mM) | |
| 6 | 1 | drop | protein | 0.13 (mM) | |
| 7 | 1 | reservoir | sodium citrate | 870 (mM) | |
| 8 | 1 | reservoir | HEPES-HCl | 100 (mM) | |
| 9 | 1 | reservoir | dithiothreitol | 10 (mM) |
