6QXZ

Solution structure of the ASHH2 CW domain with the N-terminal histone H3 tail mimicking peptide monomethylated on lysine 4

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
2	2D 1H-13C HSQC aliphatic	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
3	2D 1H-13C HSQC aromatic	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
4	3D 1H-15N NOESY	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
5	3D 1H-13C NOESY aliphatic	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
15	3D 1H-13C NOESY aromatic	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
6	3D 1H-13C NOESY aromatic filtered-edited	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
7	3D 1H-13C NOESY filtered-edited	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
8	3D 1H-15N NOESY filtered-edited	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
9	2D 1H-15N HSQC	1 mM CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM [U-99% 13C; U-99% 15N] H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
10	3D 1H-15N NOESY	1 mM CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM [U-99% 13C; U-99% 15N] H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
11	2D 1H-13C HSQC aliphatic	1 mM CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM [U-99% 13C; U-99% 15N] H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
12	3D 1H-13C NOESY aliphatic	1 mM CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM [U-99% 13C; U-99% 15N] H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
13	2D 1H-1H NOESY filtered	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850
14	2D 1H-1H TOCSY filtered	1 mM [U-99% 13C; U-99% 15N] CW domain of methyltransferase from Arabidopsis (ASHH2), 1 mM H3K4me1 (ART(MLZ)QTARY), 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE 850

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	850

NMR Refinement
Method	Details	Software
distance geometry		Amber

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	CARA		Keller and Wuthrich
4	peak picking	CARA		Keller and Wuthrich

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.