4HLR
Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X4C |
| Synchrotron site | NSLS |
| Beamline | X4C |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2012-03-27 |
| Detector | MAR CCD 165 mm |
| Wavelength(s) | 0.97907 |
| Spacegroup name | P 3 2 1 |
| Unit cell lengths | 45.347, 45.347, 42.091 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 42.090 - 1.570 |
| R-factor | 0.19786 |
| Rwork | 0.194 |
| R-free | 0.24003 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3u91 |
| RMSD bond length | 0.021 |
| RMSD bond angle | 2.313 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.6.0117) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 42.100 | 1.630 |
| High resolution limit [Å] | 1.570 | 1.570 |
| Rmerge | 0.047 | 0.321 |
| Number of reflections | 6325 | |
| <I/σ(I)> | 15.9 | 5.6 |
| Completeness [%] | 87.9 | 96.2 |
| Redundancy | 6.8 | 5.8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 298 | 2.5M 1,6-Hexanediol, 0.1M Sodium Citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
