2QEX
Negamycin Binds to the Wall of the Nascent Chain Exit Tunnel of the 50S Ribosomal Subunit
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ALS BEAMLINE 8.2.2 |
| Synchrotron site | ALS |
| Beamline | 8.2.2 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2005-04-08 |
| Detector | ADSC QUANTUM 315 |
| Wavelength(s) | 1.00 |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 214.620, 304.048, 578.647 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 49.920 - 2.900 |
| Rwork | 0.204 |
| R-free | 0.24100 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1S72.pdb |
| RMSD bond length | 0.005 |
| RMSD bond angle | 1.000 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.870 |
| High resolution limit [Å] | 2.800 | 2.800 |
| Rmerge | 0.179 | |
| Number of reflections | 453193 | |
| Completeness [%] | 99.7 | 99.6 |
| Redundancy | 6 | 4.8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.8 | 292 | PEG6000, KCL, NH4CL, MGCl2, pH 5.80, VAPOR DIFFUSION, SITTING DROP, temperature 292K |
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details |
| 1 | 1 | 1 | PEG6000 | ||
| 2 | 1 | 1 | KCL | ||
| 3 | 1 | 1 | NH4CL | ||
| 4 | 1 | 1 | MGCl2 | ||
| 5 | 1 | 2 | PEG6000 | ||
| 6 | 1 | 2 | KCL | ||
| 7 | 1 | 2 | NH4CL | ||
| 8 | 1 | 2 | MGCl2 |
