2OEH

Determination of the Three-dimensional Structure of the Mrf2-DNA Complex Using Paramagnetic Spin Labeling

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D HSQC	0.5mM Mrf-2 ARID domain, U-15N; 10mM phosphate buffer; 90% H2O, 10% D2O; pH=6	90% H2O/10% D2O		6	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	13 distance constraints from spin labeling; the majority of the protein and DNA are fixed	HADDOCK

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	17
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	HADDOCK		Bonvin, A. M. J. J.
2	refinement	HADDOCK		Bonvin, A. M. J. J.

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.