7X6R
Crystal structure of actinomycin D-echinomycin-d(AGCACGT/ACGGGCT) complex
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSRRC BEAMLINE BL15A1 |
Synchrotron site | NSRRC |
Beamline | BL15A1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2018-01-11 |
Detector | RAYONIX MX300HE |
Wavelength(s) | 1.00000 |
Spacegroup name | P 4 2 2 |
Unit cell lengths | 43.225, 43.225, 65.839 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 27.723 - 1.890 |
R-factor | 0.2458 |
Rwork | 0.244 |
R-free | 0.25920 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 7dq0 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHENIX (1.14_3260) |
Refinement software | PHENIX (1.14_3260) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 1.920 |
High resolution limit [Å] | 1.890 | 1.890 |
Rmerge | 0.040 | 0.343 |
Number of reflections | 5402 | 71669 |
<I/σ(I)> | 43.112 | 10.111 |
Completeness [%] | 99.4 | |
Redundancy | 13.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 0.25 mM Oligonucleotide, 0.25 mM Echinomycin, 0.125 mM Actinomycin D, 2.5 mM Sodium cacodylate (pH 6.5), 2.5 mM magnesium chloride, 2 mM spermine tetrahydrochloride, 6 mM cobalt chloride, 2% v/v PEG 200, 4% v/v MPD, Reservoir PEG 200 (30%) |