2OYT
Crystal Structure of UNG2/DNA(TM)
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU300 |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 2006-01-01 |
| Detector | RIGAKU RAXIS IV |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 48.499, 66.318, 100.316 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 36.470 - 2.000 |
| R-factor | 0.194 |
| Rwork | 0.192 |
| R-free | 0.23800 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1emh |
| RMSD bond length | 0.007 |
| RMSD bond angle | 1.209 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 36.470 | 2.070 |
| High resolution limit [Å] | 2.000 | 2.000 |
| Number of reflections | 20504 | |
| <I/σ(I)> | 43.7 | 6.36 |
| Completeness [%] | 90.4 | 55.4 |
| Redundancy | 5.8 | 3.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | Recombinat human UNG2 (22 mg/ml) in 50 mM tris-OAc buffer pH 7.0, 150 mM NaCl and 1mM DTT was mixed with T/M DNA duplex (2.5 mM) inclubate at room T for 30 min and then centrifugate at 10000 g for 5 min. Co-crystallization conditions 22-25% PEG 4000, 10mM Hepes pH 6.5, 1mM DTT, 0.5 % v/v dioxane, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details |
| 1 | 1 | 1 | tris-OAc buffer | ||
| 2 | 1 | 1 | NaCl | ||
| 3 | 1 | 1 | DTT | ||
| 4 | 1 | 1 | PEG 4000 | ||
| 5 | 1 | 1 | Hepes | ||
| 6 | 1 | 1 | dioxane | ||
| 7 | 1 | 2 | PEG 4000 | ||
| 8 | 1 | 2 | Hepes | ||
| 9 | 1 | 2 | dioxane |
