1CYY
CRYSTAL STRUCTURE OF THE 30 KDA FRAGMENT OF E. COLI DNA TOPOISOMERASE I. HEXAGONAL FORM
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 5ID-B |
Synchrotron site | APS |
Beamline | 5ID-B |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1998-10-01 |
Detector | MARRESEARCH |
Spacegroup name | P 61 2 2 |
Unit cell lengths | 113.850, 113.850, 233.870 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 14.970 - 2.150 |
R-factor | 0.234 |
Rwork | 0.229 |
R-free | 0.28200 |
RMSD bond length | 0.008 |
RMSD bond angle | 23.700 * |
Data reduction software | DENZO |
Data scaling software | CCP4 ((SCALA)) |
Phasing software | AMoRE |
Refinement software | CNS (0.9) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 29.000 | 2.210 |
High resolution limit [Å] | 2.150 | 2.150 |
Rmerge | 0.048 | 0.261 |
Total number of observations | 259275 * | |
Number of reflections | 45125 | |
<I/σ(I)> | 11.5 | |
Completeness [%] | 91.7 | 85.8 |
Redundancy | 5.7 | 3.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 296 | 2M AMMONIUM SULFATE, 100MM HEPES PH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K |