Experiment: 2N3E

Amino-terminal domain of Latrodectus hesperus MaSp1 with neutralized acidic cluster

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
2	2D 1H-15N HSQC	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
3	2D 1H-13C HSQC	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
4	2D 1H-13C HSQC aromatic	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
5	3D CBCA(CO)NH	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
6	3D HNCA	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
7	3D HCCH-TOCSY	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
8	3D 1H-15N NOESY	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
9	3D 1H-13C NOESY	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
10	3D 1H-13C NOESY aromatic	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298
11	3D CCH-NOESY	600 uM [U-95% 13C; U-90% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	7.2	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE II	600
2	Bruker	AVANCE	700

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	120
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH	1.2.1	Schwieters, Kuszewski, Tjandra and Clore
2	chemical shift assignment	CcpNmr Analysis	2.4	Vranken, Boucher, Stevens, Fogh, Pajon, Llinas, Ulrich, Markley, Ionides, Laue
3	peak picking	CcpNmr Analysis	2.4	Vranken, Boucher, Stevens, Fogh, Pajon, Llinas, Ulrich, Markley, Ionides, Laue
4	data analysis	CcpNmr Analysis	2.4	Vranken, Boucher, Stevens, Fogh, Pajon, Llinas, Ulrich, Markley, Ionides, Laue
5	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore