1ZQB
DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7) COMPLEXED WITH SEVEN BASE PAIRS OF DNA; SOAKED IN THE PRESENCE OF BACL2 (150 MILLIMOLAR)
Experimental procedure
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 298 |
Detector technology | AREA DETECTOR |
Collection date | 1996-03-06 |
Detector | SDMS |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 177.888, 57.871, 48.136 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 3.200 |
R-factor | 0.146 |
Structure solution method | DIFFERENCE FOURIER |
Starting model (for MR) | 1zqg |
RMSD bond length | 0.018 |
RMSD bond angle | 2.900 |
Data reduction software | SDMS |
Data scaling software | SDMS |
Phasing software | TNT (V. 5-D) |
Refinement software | TNT (5-D) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 3.300 |
High resolution limit [Å] | 3.200 | 3.200 |
Rmerge | 0.078 * | 0.149 * |
Number of reflections | 6207 | |
Completeness [%] | 74.0 | 81 |
Redundancy | 1.9 | 1.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 6.5 | THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A COCRYSTAL OF HUMAN DNA POLYMERASE BETA COMPLEXED WITH 7 BASE PAIRS OF DNA (SEE ENTRY 9ICJ AND REFERENCE 1) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 2 DAYS: PEG 3350, 16% IMIDAZOLE, 100 MILLIMOLAR, PH 6.5 BACL2, 150 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE. |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | reservoir | PEG3350 | 15-17 (%) | |
2 | 1 | reservoir | citrate | 0.1 (M) | |
3 | 1 | reservoir | 50 (mM) |