2IIJ

Structure of human Asf1a in complex with histone H3

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	2 mM Asf1 (1-156) U-15N/13C/ 2.5 mM Histone H3 (122-135) Tris D11 20 mM, NaN3 0.1%, EDTA 1 mM, DSS 0.1 mM pH 7.4, 90% H2O, 10% D2O	90% H2O/10% D2O		7.4	1 atm	300
2	3D_15N-separated_NOESY	2 mM Asf1 (1-156) U-15N/13C/ 2.5 mM Histone H3 (122-135) Tris D11 20 mM, NaN3 0.1%, EDTA 1 mM, DSS 0.1 mM pH 7.4, 90% H2O, 10% D2O	90% H2O/10% D2O		7.4	1 atm	300
3	3D_12C14N_filtered_13Cseparated_NOESY	2 mM Asf1 (1-156) U-15N/13C/ 2.5 mM Histone H3 (122-135) Tris D11 20 mM, NaN3 0.1%, EDTA 1 mM, DSS 0.1 mM pH 7.4, 90% H2O, 10% D2O	90% H2O/10% D2O		7.4	1 atm	300
4	HNHA	2 mM Asf1 (1-156) U-15N/13C/ 2.5 mM Histone H3 (122-135) Tris D11 20 mM, NaN3 0.1%, EDTA 1 mM, DSS 0.1 mM pH 7.4, 90% H2O, 10% D2O	90% H2O/10% D2O		7.4	1 atm	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600
2	Bruker	DRX	800

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics	the structures are based on a total of 5185 restraints, 4945 are NOE-derived distance constraints, 170 dihedral angle restraints, 70 distance restraints from hydrogen bonds.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.5	bruker
2	data analysis	Sparky	3.111	T. D. Goddard and D. G. Kneller, University of California, San Francisco
3	structure solution	ARIA	2.0	M. Nilges, Institut Pasteur, France
4	refinement	ARIA	2.0	M. Nilges, Institut Pasteur, France