1MA7
Crystal structure of Cre site-specific recombinase complexed with a mutant DNA substrate, LoxP-A8/T27
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SSRL BEAMLINE BL9-2 |
| Synchrotron site | SSRL |
| Beamline | BL9-2 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2000-06-28 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.98 |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 107.540, 122.240, 180.030 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 5.000 - 2.300 |
| Rwork | 0.239 |
| R-free | 0.29000 |
| Structure solution method | FOURIER SYNTHESIS |
| Starting model (for MR) | 1KBU with mutated basepairs side chains Arg259 Asp262 and Asp266 omitted |
| RMSD bond length | 0.006 |
| RMSD bond angle | 1.190 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | TNT |
| Refinement software | TNT |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 2.350 |
| High resolution limit [Å] | 2.300 | 2.300 |
| Rmerge | 0.034 | 0.275 |
| Total number of observations | 168540 * | |
| Number of reflections | 51997 | 3473 * |
| <I/σ(I)> | 21 | 3.8 |
| Completeness [%] | 96.5 * | 97.7 |
| Redundancy | 3.3 | 2.9 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.25 | 21 * | 2,4-methylpentanediol, sodium acetate, calcium chloride, pH 5.25, VAPOR DIFFUSION, HANGING DROP, temperature 294K |
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details |
| 1 | 1 | 1 | 2,4-methylpentanediol | ||
| 2 | 1 | 1 | sodium acetate | ||
| 3 | 1 | 1 | CaCl2 | ||
| 4 | 1 | 2 | CaCl2 |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | reservoir | MPD | 24-28 (%) | pH5.25 |
| 2 | 1 | reservoir | 25 (mM) | ||
| 3 | 1 | reservoir | 30 (mM) | ||
| 4 | 1 | reservoir | 40 (mM) |
