5O57

Solution Structure of the N-terminal Region of Dkk4

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D TROSY-HNCACB	140 uM [U-13C; U-15N] Dkk4n	95% H2O/5% D2ODkk4n	150 mM	6.5	1 atm	308	Bruker AVII 800
2	3D TROSY-HN(CO)CACB	140 uM [U-13C; U-15N] Dkk4n	95% H2O/5% D2ODkk4n	150 mM	6.5	1 atm	308	Bruker AVIII 600
3	3D TROSY-HNCO	140 uM [U-13C; U-15N] Dkk4n	95% H2O/5% D2ODkk4n	150 mM	6.5	1 atm	308	Bruker AVIII 600
4	3D HBHA(CO)NH	140 uM [U-13C; U-15N] Dkk4n	95% H2O/5% D2ODkk4n	150 mM	6.5	1 atm	308	Bruker AVIII 600
5	2D TROSY	140 uM [U-13C; U-15N] Dkk4n	95% H2O/5% D2ODkk4n	150 mM	6.5	1 atm	308	Bruker AVIII 600
6	2D 1H-1H TOCSY	90 uM [U-15N] Dkk4n	100% D2O	150 mM	6.5	1 atm	308	Bruker AVIII 600
7	2D 1H-1H NOESY	90 uM [U-15N] Dkk4n	100% D2O	150 mM	6.5	1 atm	308	Bruker AVIII 600
8	3D HCCH-TOCSY	140 uM [U-13C; U-15N] Dkk4n	100% D2O	150 mM	6.5	1 atm	308	Bruker AVIII 600
9	3D 13C/1H HSQC-NOESY	230 uM [U-13C; U-15N] Dkk4n	100% D2O	150 mM	6.5	1 atm	308	Bruker AVANCE III HD 950
10	3D 13C/1H HSQC-NOESY	230 uM [U-13C; U-15N] Dkk4n	100% D2O	150 mM	6.5	1 atm	308	Bruker AVII 800
11	3D 15N/1H NOESY-HSQC	210 uM [U-15N] Dkk4n	95% H2O/5% D2O	150 mM	6.5	1 atm	308	Bruker AVII 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVIII	600
2	Bruker	AVII	800
3	Bruker	AVANCE III HD	950

NMR Refinement
Method	Details	Software
simulated annealing	REDAC	CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	70
Representative Model	13 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	data analysis	Sparky	NMRFAM-Sparky 1.4	Goddard
4	structure calculation	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
5	refinement	CYANA	2.1	Guntert, Mumenthaler and Wuthrich