2DY8

Solution structure of the second chromodomain of yeast Chd1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.3-0.5mM chromodomain; 20mM potassium phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	300mM NaCl	6.8	ambient	293
2	2D NOESY	0.3-0.5mM chromodomain; 20mM potassium phosphate buffer; 100% D2O	100% D2O	300mM NaCl	6.8	ambient	293
3	3D_15N-separated_NOESY	0.3-0.5mM chromodomain U-15N; 20mM potassium phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	300mM NaCl	6.8	ambient	293
4	3D_13C-separated_NOESY	0.3-0.5mM chromodomain U-13C,15N; 20mM potassium phosphate buffer; 100% D2O	100% D2O	300mM NaCl	6.8	ambient	293
5	HNHA	0.3-0.5mM chromodomain U-15N; 20mM potassium phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	300mM NaCl	6.8	ambient	293
6	HNHB	0.3-0.5mM chromodomain U-15N; 20mM potassium phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	300mM NaCl	6.8	ambient	293
7	HN(CO)HB	0.3-0.5mM chromodomain U-13C,15N; 20mM potassium phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	300mM NaCl	6.8	ambient	293
8	HNCG	0.3-0.5mM chromodomain U-13C,15N; 20mM potassium phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	300mM NaCl	6.8	ambient	293
9	HN(CO)CG	0.3-0.5mM chromodomain U-13C,15N; 20mM potassium phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	300mM NaCl	6.8	ambient	293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	600
3	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR
2	processing	NMRPipe		Delaglio, F., Grzesiek, S., Vuister, G.W., Zhu, G., Pfeifer, J., Bax, A.
3	data analysis	NMRView		Johnson, B.A., Blevins, R.A.
4	structure solution	X-PLOR		Brunger, A.T.
5	refinement	X-PLOR		Brunger, A.T.

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.