1AIK
HIV GP41 CORE STRUCTURE
Experimental procedure
| Source type | ROTATING ANODE |
| Source details | RIGAKU RUH2R |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 1997-03 |
| Detector | RIGAKU RAXIS IIC |
| Spacegroup name | P 3 2 1 |
| Unit cell lengths | 49.500, 49.500, 55.300 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 12.000 - 2.000 |
| R-factor | 0.238 |
| Rwork | 0.238 |
| R-free | 0.26600 |
| Structure solution method | MAD |
| RMSD bond length | 0.014 |
| RMSD bond angle | 2.742 |
| 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] | 20.000 | 2.070 |
| High resolution limit [Å] | 2.000 | 2.000 |
| Rmerge | 0.055 * | |
| Number of reflections | 5287 | |
| <I/σ(I)> | 18.4 | 5.4 |
| Completeness [%] | 96.5 | 98.9 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6 | A 10 MG/ML STOCK WAS DILUTED 1:1 IN A SITTING DROP WITH 80 MM NH4CL, 20% PEG200, AND 50% ISOPROPANOL, AND THEN ALLOWED TO EQUILIBRATE AGAINST 80 MM NH4CL, 20% PEG200, AND 30% ISOPROPANOL., pH 6.0, vapor diffusion - sitting drop |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | complex | 5 (mg/ml) | |
| 2 | 1 | drop | 40 (mM) | ||
| 3 | 1 | drop | PEG200 | 10 (%) | |
| 4 | 1 | drop | isopropanol | 25 (%) | |
| 5 | 1 | reservoir | 80 (mM) | ||
| 6 | 1 | reservoir | PEG200 | 20 (%) | |
| 7 | 1 | reservoir | isopropanol | 30 (%) |
