Experiment: 2N4Q

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
2	2D 1H-13C HSQC	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
3	3D CBCA(CO)NH	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
4	3D HNCO	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
5	3D HNCA	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
6	3D HNCACB	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
7	3D HCCH-TOCSY	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
8	3D 1H-13C NOESY aliphatic	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
9	3D 1H-13C NOESY aromatic	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298
10	3D H(CCO)NH	750 uM [U-100% 13C; U-100% 15N] Chromobox protein homolog 8, 750 uM [U-100% 13C; U-100% 15N] Protein AF, 9.5 mM BIS-TRIS, 15.8 mM MES, 100 mM sodium chloride, 1 mM DTT	95% H2O/5% D2O	100	6	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	peak picking	CcpNmr Analysis		CCPN
3	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	refinement	X-PLOR NIH

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.