1NJI
Structure of chloramphenicol bound to the 50S ribosomal subunit
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X25 |
Synchrotron site | NSLS |
Beamline | X25 |
Temperature [K] | 95 |
Detector technology | CCD |
Collection date | 2002-01-22 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 1.0000 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 211.720, 299.750, 573.430 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 50.000 - 3.000 |
R-factor | 0.209 |
Rwork | 0.176 |
R-free | 0.20100 * |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1jj2 |
RMSD bond length | 0.007 |
RMSD bond angle | 15.600 * |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.970 |
High resolution limit [Å] | 3.000 * | 3.000 * |
Rmerge | 0.246 | 0.880 * |
Number of reflections | 393074 | |
<I/σ(I)> | 8.88 | 1.5 |
Completeness [%] | 96.4 * | 96.5 * |
Redundancy | 5.0 * | 3.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | back-extraction, vapor diffusion * | 7.1 * | 291 | Ban, N., (2000) Science, 289, 905. * |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | KCl | ||
10 | 1 | 2 | PEG 6000 | ||
2 | 1 | 1 | NH4Cl | ||
3 | 1 | 1 | MgCl2 | ||
4 | 1 | 1 | sodium acetate | ||
5 | 1 | 1 | PEG 6000 | ||
6 | 1 | 2 | KCl | ||
7 | 1 | 2 | NH4Cl | ||
8 | 1 | 2 | MgCl2 | ||
9 | 1 | 2 | sodium acetate |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | reservoir | 1.2 (M) | ||
2 | 1 | reservoir | 0.5 (M) | ||
3 | 1 | reservoir | potassium acetate | 100 (mM) | |
4 | 1 | reservoir | 30 (mM) | ||
5 | 1 | reservoir | PEG6000 | 7 (%) | |
6 | 1 | reservoir | Tris | 15 (mM) | |
7 | 1 | reservoir | MES | 15 (mM) | |
8 | 1 | reservoir | 1 (mM) |