2L5A

Structural basis for recognition of centromere specific histone H3 variant by nonhistone Scm3

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N TROSY	0.8-0.85 mM [U-100% 15N] scCSH-2	90% H2O/10% D2O	0.00	5.4	ambient atm	308
2	2D 1H-1H NOESY	0.8-0.85 mM scCSH-6	100% D2O	0.00	5.4	ambient atm	308
3	2D 1H-13C HMQC	0.8-0.85 mM [U-13C methyl; U-15N; U-2H] scCSH-3	90% H2O/10% D2O	0.00	5.4	ambient atm	308
4	3D trHNCACB	0.8-0.85 mM [U-100% 15N] scCSH-2	90% H2O/10% D2O	0.00	5.4	ambient atm	308
5	3D trHNCOCACB	0.8-0.85 mM [U-100% 15N] scCSH-2	90% H2O/10% D2O	0.00	5.4	ambient atm	308
6	3D trHNCA	0.8-0.85 mM [U-100% 15N] scCSH-2	90% H2O/10% D2O	0.00	5.4	ambient atm	308
7	3D trHNCOCA	0.8-0.85 mM [U-100% 15N] scCSH-2	90% H2O/10% D2O	0.00	5.4	ambient atm	308
8	3D trHNCO	0.8-0.85 mM [U-100% 15N] scCSH-2	90% H2O/10% D2O	0.00	5.4	ambient atm	308
9	3D trHNCACO	0.8-0.85 mM [U-100% 15N] scCSH-2	90% H2O/10% D2O	0.00	5.4	ambient atm	308
10	3D HCCH-TOCSY	0.8-0.85 mM [U-13C ; U-15N] scCSH-5	100% D2O	0.00	5.4	ambient atm	308
11	3D CCCH-TOCSY	0.8-0.85 mM [U-13C ; U-15N] scCSH-5	100% D2O	0.00	5.4	ambient atm	308
12	3D HBHA(CO)NH	0.8-0.85 mM [U-13C ; U-15N] scCSH-5	100% D2O	0.00	5.4	ambient atm	308
13	3D H(CCO)NH	0.8-0.85 mM [U-13C ; U-15N] scCSH-5	100% D2O	0.00	5.4	ambient atm	308
14	3D 1H-15N NOESY	0.8-1.0 mM [U-100% 15N] scCSH-1	90% H2O/10% D2O	0.00	5.4	ambient atm	308
15	3D 1H-15N NOESY	0.8-0.85 mM [U-13C methyl; U-15N; U-2H] scCSH-3	90% H2O/10% D2O	0.00	5.4	ambient atm	308
16	3D 1H-13C NOESY	0.8-0.85 mM [U-13C ; U-15N] scCSH-5	100% D2O	0.00	5.4	ambient atm	308
17	3D 1H-13C NOESY	0.8-0.85 mM [U-13C methyl; U-15N; U-2H] scCSH-3	90% H2O/10% D2O	0.00	5.4	ambient atm	308
18	3D HCCH-TOCSY	0.8-0.85 mM [U-13C ; U-15N; 35%-2H] scCSH-4	90% H2O/10% D2O	0.00	5.4	ambient atm	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DRX	600
3	Bruker	DRX	800
4	Bruker	DRX	900
5	Varian	INOVA	800

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing, molecular dynamics		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	NMRPipe	updated version	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	data analysis	NMRView	7.9.1	Johnson, One Moon Scientific
3	data analysis	TALOS	updated version	Cornilescu, Delaglio and Bax
4	structure solution	X-PLOR_NIH	2.25	Schwieters, Kuszewski, Tjandra and Clore
5	refinement	X-PLOR_NIH	2.25	Schwieters, Kuszewski, Tjandra and Clore
6	structure evaluation	ProcheckNMR		Laskowski and MacArthur
7	pdb display	Molmol	pyMol	Koradi, Billeter and Wuthrich
8	structure evaluation	MolProbity	3.17	Richardson

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.