3U91
Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X4A |
Synchrotron site | NSLS |
Beamline | X4A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-06-25 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.9676 |
Spacegroup name | P 3 2 1 |
Unit cell lengths | 45.308, 45.308, 42.160 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 42.140 - 1.450 |
R-factor | 0.19585 |
Rwork | 0.192 |
R-free | 0.23341 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1aik |
RMSD bond length | 0.009 |
RMSD bond angle | 1.138 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 42.140 | 1.500 |
High resolution limit [Å] | 1.450 | 1.450 |
Rmerge | 0.065 | |
Number of reflections | 9173 | |
<I/σ(I)> | 9.1 | 6.4 |
Completeness [%] | 99.8 | 99.8 |
Redundancy | 8.8 | 8.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 298 | 20% Jeffamine M600, 0.1M MES, 25mM Cesium Chloride, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |