2B1F
Antiparallel four-stranded coiled coil specified by a 3-3-1 hydrophobic heptad repeat
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 | 2004-11-10 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.9788 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 47.658, 47.702, 56.522 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 36.470 - 1.500 |
| R-factor | 0.23794 |
| Rwork | 0.233 |
| R-free | 0.28277 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.011 |
| RMSD bond angle | 1.290 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | SOLVE |
| Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 36.500 | 1.550 |
| High resolution limit [Å] | 1.500 | 1.500 |
| Rmerge | 0.042 | 0.276 |
| Number of reflections | 20939 | |
| <I/σ(I)> | 18.6 | 6.1 |
| Completeness [%] | 98.7 | 99.9 |
| Redundancy | 5.7 | 5.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.2 | 295 | Ethanol, Tris-HCl, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K |






