2KP8

Ligand bound to a model peptide that mimics the open fusogenic form

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318
2	2D 1H-13C HSQC	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318
3	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318
4	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318
5	3D HBHA(CO)NH	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318
6	3D HCCH-TOCSY	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318
7	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318
8	3D 1H-13C NOESY	1 mM [U-100% 13C; U-100% 15N] peptide, 6 mM 3-PYRIDIN-4-YL-2,4-DIHYDRO-INDENO[1,2-.C.]PYRAZOLE	90% H2O/10% D2O	25	8.0	ambient	318

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	800
2	Bruker	DRX	600

NMR Refinement
Method	Details	Software
simulated annealing, Final minimization step	using xplor, using schrodinger	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	5
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	edited filtered Noesy experiments

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	geometry optimization	X-PLOR		Brunger, A.T. et al.
2	refinement	X-PLOR		Brunger, A.T. et al.
3	data analysis	TALOS		Cornilescu, G. et al.
4	geometry optimization	Schrodinger		Schrodinger