2QLA
Crystal Structure of a 16-Helix Bundle Architecture Produced by the Zinc-Mediated Self Assembly of Four Cytochrome cb562 Molecules
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | SIEMENS |
| Detector technology | CCD |
| Collection date | 2007-03-16 |
| Detector | APEX II CCD |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 21 21 2 |
| Unit cell lengths | 88.984, 66.659, 68.901 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 50.000 - 2.900 |
| R-factor | 0.248 |
| Rwork | 0.248 |
| R-free | 0.29500 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 2bc5 |
| RMSD bond length | 0.018 |
| RMSD bond angle | 1.331 |
| Data reduction software | SAINT |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.990 |
| High resolution limit [Å] | 2.900 | 2.900 |
| Rmerge | 0.161 | 0.420 |
| Number of reflections | 10032 | |
| <I/σ(I)> | 5.77 | 1.5 |
| Completeness [%] | 85.1 | 66.2 |
| Redundancy | 2.97 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293 | 100mM Tris, 1.25 mM ZnCl2, 25% PEG 3350, pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 293K |






