7XI4
Crystal Structure of the NPAS4-ARNT heterodimer in complex with DNA
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRF BEAMLINE BL19U1 |
Synchrotron site | SSRF |
Beamline | BL19U1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2019-06-26 |
Detector | SIEMENS-NICOLET |
Wavelength(s) | 0.97853 |
Spacegroup name | P 41 21 2 |
Unit cell lengths | 105.243, 105.243, 215.126 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.630 - 4.707 |
R-factor | 0.3155 |
Rwork | 0.314 |
R-free | 0.35060 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4zpk |
Data reduction software | HKL-3000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX (1.13_2998) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 4.780 |
High resolution limit [Å] | 4.700 | 12.690 | 4.700 |
Rmerge | 0.261 | 0.040 | 1.824 |
Rmeas | 0.267 | 0.041 | 1.873 |
Rpim | 0.054 | 0.009 | 0.410 |
Total number of observations | 157818 | ||
Number of reflections | 6762 | 404 | 327 |
<I/σ(I)> | 2.4 | ||
Completeness [%] | 99.9 | 100 | 99.4 |
Redundancy | 23.3 | 19.4 | 19.7 |
CC(1/2) | 0.999 | 0.655 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION | 8 | 289 | ammonium tartrate dibasic, PEG3350 |