1A1K
RADR (ZIF268 VARIANT) ZINC FINGER-DNA COMPLEX (GACC SITE)
Experimental procedure
| Source type | ROTATING ANODE | 
| Source details | RIGAKU RU200 | 
| Temperature [K] | 130 | 
| Detector technology | IMAGE PLATE | 
| Collection date | 1997-06 | 
| Detector | RIGAKU RAXIS IIC | 
| Spacegroup name | C 2 2 21 | 
| Unit cell lengths | 42.700, 55.500, 130.400 | 
| Unit cell angles | 90.00, 90.00, 90.00 | 
Refinement procedure
| Resolution | 20.000 - 1.900 | 
| R-factor | 0.21 | 
| Rwork | 0.210 | 
| R-free | 0.25900 | 
| Structure solution method | ISOMORPHOUS MOLECULAR REPLACEMENT | 
| Starting model (for MR) | 1aay WITHOUT WATERS AND WITHOUT SIDE CHAINS FOR RESIDUES 18 - 24 | 
| RMSD bond length | 0.008  *  | 
| RMSD bond angle | 1.300  *  | 
| Data reduction software | DENZO | 
| Data scaling software | SCALEPACK | 
| Phasing software | X-PLOR | 
| Refinement software | X-PLOR (3.8) | 
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 1.970 | 
| High resolution limit [Å] | 1.900 | 1.900 | 
| Rmerge | 0.034 *  | 0.258 *  | 
| Total number of observations | 10102 *  | |
| Number of reflections | 23142 | |
| <I/σ(I)> | 24.7 | 3.1 | 
| Completeness [%] | 79.9 | 63.8 | 
| Redundancy | 2.3 | 1.9 | 
Crystallization Conditions
| crystal ID | method | pH | temperature | details | 
| 1 | Vapor diffusion, hanging drop *  | 6.2 | 25% PEG 1450, 25 MM MES PH 6.2 | 
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details | 
| 1 | 1 | 1 | WATER | ||
| 2 | 1 | 1 | NACL | ||
| 3 | 1 | 1 | MES | ||
| 4 | 1 | 1 | PEG 3350 | ||
| 5 | 1 | 2 | WATER | ||
| 6 | 1 | 2 | NACL | ||
| 7 | 1 | 2 | MES | ||
| 8 | 1 | 2 | PEG 3350 | 
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details | 
| 1 | 1 | drop | zinc-finger-DNA complex | 0.5 (mM) | |
| 2 | 1 | drop | 150 (mM) | ||
| 3 | 1 | drop | 25 (mM) | ||
| 4 | 1 | drop | PEG1450 | 12.5 (%) | |
| 5 | 1 | reservoir | PEG1450 | 25 (%) | |
| 6 | 1 | reservoir | MES | 75 (mM) | 






