1Q43
HCN2I 443-640 in the presence of cAMP, selenomethionine derivative
Experimental procedure
| Experimental method | MAD |
| Source type | SYNCHROTRON |
| Source details | CHESS BEAMLINE F2 |
| Synchrotron site | CHESS |
| Beamline | F2 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2002-05-19 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.979493,0.979184,0.934038 |
| Spacegroup name | I 4 |
| Unit cell lengths | 94.750, 94.750, 124.420 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 20.000 * - 2.000 |
| Rwork | 0.195 |
| R-free | 0.24200 |
| Structure solution method | MAD |
| RMSD bond length | 0.006 |
| RMSD bond angle | 1.160 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | RESOLVE |
| Refinement software | CNS (1.0) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 2.130 |
| High resolution limit [Å] | 2.000 | 2.000 |
| Number of reflections | 31762 | |
| Completeness [%] | 85.9 | 90.9 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 4 * | PEG 400, sodium citrate, sodium chloride, DTT, HEPES, cAMP, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | reservoir | 200 (mM) | ||
| 2 | 1 | reservoir | citrate | 100 (mM) | pH4.6 |
| 3 | 1 | reservoir | PEG400 | 15 (%) | |
| 4 | 1 | drop | protein | 2.3 (mg/ml) |
