1GU5
Crystal structure of C/EBPBETA BZIP homodimer bound to a DNA fragment from the MIM-1 promoter
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL45XU |
Synchrotron site | SPring-8 |
Beamline | BL45XU |
Temperature [K] | 90 |
Detector technology | IMAGE PLATE |
Collection date | 2001-10-12 |
Detector | RIGAKU RAXIS V |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 101.596, 113.037, 74.498 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.740 - 2.100 |
R-factor | 0.229 |
Rwork | 0.229 |
R-free | 0.27700 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1gtw |
RMSD bond length | 0.005 |
RMSD bond angle | 0.900 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.120 |
High resolution limit [Å] | 2.080 | 2.080 |
Rmerge | 0.069 | 0.468 |
Number of reflections | 25871 | |
<I/σ(I)> | 24.364 | 3.13 |
Completeness [%] | 99.4 | 97.3 |
Redundancy | 6.088 | 4.55 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 6.5 | 0.08 M MAGNESIUM ACETATE, 15.0% V/V PEG 400, 0.05 M SODIUM CACODYLATE BUFFER PH 6.5, PROTEIN-DNA COMPLEX CONCENTRATION WAS 12 MG/ML WITH ADDITION OF 0.01 M DTT, PROTEIN:DNA RATIO WAS 1:1.2 FOR CRYOPROTECTION THE CONCENTRATION OF PEG 400 WAS ADJUSTED TO 36% V/V |