2I5S
Crystal structure of onconase with bound nucleic acid
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | BRUKER AXS MICROSTAR |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2006-05-02 |
| Detector | BRUKER SMART 6000 |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 21 21 2 |
| Unit cell lengths | 129.229, 26.101, 32.486 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 32.490 - 1.900 |
| R-factor | 0.181 |
| Rwork | 0.178 |
| R-free | 0.24000 |
| Starting model (for MR) | 1onc |
| RMSD bond length | 0.013 |
| RMSD bond angle | 1.415 |
| Data reduction software | SAINT |
| Data scaling software | SAINT |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 64.615 | 64.615 | 1.950 |
| High resolution limit [Å] | 1.900 | 5.450 | 1.900 |
| Rmerge | 0.125 | 0.080 | 0.517 |
| Number of reflections | 9270 | ||
| <I/σ(I)> | 12.3 | 30.84 | 2.52 |
| Completeness [%] | 99.7 | 99.8 | 95.9 |
| Redundancy | 9.84 | 20.55 | 3.32 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 293 | PROTEIN SOLUTION (10 MG/ML PROTEIN, 0.003 M SINGLE-STRANDED DNA OLIGOMER) MIXED IN A 1:1 RATIO WITH WELL SOLUTION (25% PEG 3350, 0.1 M HEPES PH 7.5) CRYO-PROTECTED WITH WELL SOLUTION SUPPLEMENTED WITH 20% ETHYLENE GLYCOL, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details |
| 1 | 1 | 1 | PEG 3350 | ||
| 2 | 1 | 1 | Hepes | ||
| 3 | 1 | 1 | ethylene glycol | ||
| 4 | 1 | 1 | HOH | ||
| 5 | 1 | 2 | PEG 3350 | ||
| 6 | 1 | 2 | Hepes | ||
| 7 | 1 | 2 | ethylene glycol | ||
| 8 | 1 | 2 | HOH |
