1DIZ
CRYSTAL STRUCTURE OF E. COLI 3-METHYLADENINE DNA GLYCOSYLASE (ALKA) COMPLEXED WITH DNA
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X25 |
Synchrotron site | NSLS |
Beamline | X25 |
Temperature [K] | 138 |
Detector technology | CCD |
Collection date | 1999-06-19 |
Detector | BRANDEIS |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 82.400, 82.400, 199.700 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 10.000 - 2.500 |
R-factor | 0.25 |
Rwork | 0.250 |
R-free | 0.29000 |
RMSD bond length | 0.010 |
RMSD bond angle | 21.700 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.590 |
High resolution limit [Å] | 2.400 | 2.500 |
Rmerge | 0.085 | 0.210 |
Number of reflections | 27877 | |
<I/σ(I)> | 10 | |
Completeness [%] | 98.0 | 100 |
Redundancy | 8 | 8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 15% PEG 4000, 100MM HEPES, 100MM NACL, 50MM MGCL2, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | HEPES | ||
2 | 1 | 1 | NACL | ||
3 | 1 | 1 | MGCL | ||
4 | 1 | 1 | PEG 4000 | ||
5 | 1 | 2 | PEG 4000 |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 8 (mg/ml) | |
2 | 1 | reservoir | PEG4000 | 15 (%) | |
3 | 1 | reservoir | HEPES | 100 (mM) | |
4 | 1 | reservoir | 100 (mM) | ||
5 | 1 | reservoir | 50 (mM) | ||
6 | 1 | reservoir | ehthylene glycol | 8 (%) |