2FGU
X-ray crystal structure of HIV-1 Protease T80S variant in complex with the inhibitor saquinavir used to explore the role of invariant Thr80 in HIV-1 protease structure, function, and viral infectivity.
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 2004-11-05 |
| Detector | RIGAKU RAXIS IV |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 50.500, 57.930, 61.620 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 42.220 - 2.000 |
| R-factor | 0.17911 |
| Rwork | 0.176 |
| R-free | 0.23235 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1f7a |
| RMSD bond length | 0.008 |
| RMSD bond angle | 1.613 |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
| Overall | |
| Low resolution limit [Å] | 42.220 |
| High resolution limit [Å] | 2.000 |
| Rmerge | 0.073 |
| Number of reflections | 12625 |
| <I/σ(I)> | 8.2 |
| Completeness [%] | 99.1 |
| Redundancy | 7 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 298 | 0.126 M Sodium Phosphate pH 6.2, 0.063 M Sodium Citrate, 23-24% Ammonium Sulfate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |






