1IG4

Solution Structure of the Methyl-CpG-Binding Domain of Human MBD1 in Complex with Methylated DNA

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	4D_13C/15N-separated_NOESY	1.3mM MBD1(U-15N,13C)-DNA Complex; 20mM phosphate buffer	90% H2O/10% D2O		6.5		303
2	4D_13C-separated_NOESY	1.3mM MBD1(U-15N,13C)-DNA Complex; 20mM phosphate buffer	100% D2O		6.5		303
3	3D_15N-separated_NOESY	1mM MBD1(U-15N)-DNA Complex; 20mM phosphate buffer	90% H2O/10% D2O		6.5		303
4	3D_13C-filtered_13C-separated_NOESY	1.3mM MBD1(U-15N,13C)-DNA Complex; 20mM phosphate buffer	100% D2O		6.5		303
5	HNHA	1mM MBD1(U-15N)-DNA Complex; 20mM phosphate buffer	90% H2O/10% D2O		6.5		303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DMX	500
3	Bruker	DRX	800

NMR Refinement
Method	Details	Software
Structure calculations were performed following simulated annealing protocols using X-PLOR.	The structure was determined from a total of 2,022 distance and dihedral angle restraints, including 91 intermolecular NOE restraints.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using multi-dimensional heteronuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	1.8	Delaglio
2	data analysis	PIPP	4.0.4	Garrett
3	data analysis	NMRView	4	Johnson
4	refinement	X-PLOR	3.8	Brunger

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.