4QNH
Calcium-calmodulin (T79D) complexed with the calmodulin binding domain from a small conductance potassium channel SK2-a
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X6A |
| Synchrotron site | NSLS |
| Beamline | X6A |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2013-02-28 |
| Detector | ADSC QUANTUM 270 |
| Wavelength(s) | 1.0781 |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 77.160, 65.960, 64.680 |
| Unit cell angles | 90.00, 93.56, 90.00 |
Refinement procedure
| Resolution | 26.648 - 2.020 |
| R-factor | 0.1843 |
| Rwork | 0.182 |
| R-free | 0.23440 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.014 |
| RMSD bond angle | 1.287 |
| Data reduction software | MOSFLM |
| Data scaling software | SCALA |
| Phasing software | PHENIX |
| Refinement software | PHENIX ((phenix.refine: 1.8.1_1168)) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 26.650 | 2.070 |
| High resolution limit [Å] | 2.020 | 2.020 |
| Number of reflections | 21057 | |
| Completeness [%] | 98.6 | 90.8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION | 5.6 | 277.15 | 1.5 M Li2SO4, 0.5 M (NH4)2SO4, 0.1 M sodium citrate, pH 5.6, VAPOR DIFFUSION, temperature 277.15K |
