2N39

NMR solution structure of a C-terminal domain of the chromodomain helicase DNA-binding protein 1

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
2	2D 1H-13C HSQC aliphatic	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
3	2D DQF-COSY	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
4	2D 1H-1H TOCSY	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
5	2D 1H-1H NOESY	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
6	3D CBCA(CO)NH	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
7	3D HNCACB	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
8	3D HNCO	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
9	3D HN(CA)CO	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
10	3D 1H-15N NOESY	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
11	3D 1H-13C NOESY aliphatic	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298
12	3D 1H-13C NOESY aromatic	440 uM [U-98% 13C; U-98% 15N] CHD1-C, 20 mM sodium phosphate, 10 mM NaCl, 1 mM DTT, 0.003 w/v sodium azide, 0.2 mM 2,2-dimethyl-2-silapentane-5-sulfonate (DSS)	95% H2O/5% D2O	10	6.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
torsion angle dynamics, Water refinement		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	80
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data collection	TopSpin	3.2	Bruker Biospin
2	processing	TopSpin	3.2	Bruker Biospin
3	chemical shift assignment	CARA	1.5.3	Keller and Wuthrich
4	peak picking	CARA	1.5.3	Keller and Wuthrich
5	noe assignment	UNIO	2.0.1	Herrmann and Wuthrich
6	structure solution	UNIO	2.0.1	Herrmann and Wuthrich
7	structure calculation	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
8	water refinement	OPALp	1.2	Koradi,Billeter and Guntert
9	refinement	CYANA		Guntert, Mumenthaler and Wuthrich
10	refinement	OPALp		Koradi,Billeter and Guntert