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) |