1SP5
Crystal structure of HIV-1 protease complexed with a product of autoproteolysis
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ELETTRA BEAMLINE 5.2R |
Synchrotron site | ELETTRA |
Beamline | 5.2R |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2000-07-16 |
Detector | MARRESEARCH |
Wavelength(s) | 1.0 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 57.765, 86.284, 45.834 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.100 - 1.800 |
R-factor | 0.178 |
Rwork | 0.177 |
R-free | 0.21100 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 1a30 |
RMSD bond length | 0.013 |
RMSD bond angle | 1.600 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS (1.1) |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 1.830 |
High resolution limit [Å] | 1.801 | 1.800 |
Rmerge | 0.049 | 0.232 |
Number of reflections | 21152 | |
<I/σ(I)> | 30.8 | 7 |
Completeness [%] | 96.7 | 92.9 |
Redundancy | 4.3 | 3.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 279 | sodium chloride 0.8-0.9M, sodium citrate 50mM, DMSO 5%, sodium acetate 5mM, EDTA 0.5mM, DTT 0.25mM, Boc-Phe-psi[(S)-CH(OH)CH2NH]Phe-Ile-Phe-NH2 270mM, protein 3mg/ml in drop, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 279K |