2RSX

Solution structure of IseA, an inhibitor protein of DL-endopeptidases from Bacillus subtilis

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	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
2	2D 1H-13C HSQC	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
3	3D HNCA	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
4	3D HN(CO)CA	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
5	3D HNCO	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
6	3D HN(CA)CO	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
7	3D HNCACB	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
8	3D CBCA(CO)NH	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
9	3D HBHA(CO)NH	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
10	3D C(CCO)NH	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
11	3D HCCH-TOCSY	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
12	3D HCCH-TOCSY	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
13	3D HCCH-COSY	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
14	3D 1H-15N NOESY	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298
15	3D 1H-13C NOESY	1.12 mM [U-13C; U-15N] IseA-1, 20 mM [U-2H] TRIS-2, 300 mM sodium chloride-3, 0.02 % sodium azide-4	90% H2O/10% D2O	0.3	7.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
torsion angle dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	geometry optimization	CYANA	2.0.17	Guntert, Mumenthaler and Wuthrich
2	structure solution	CYANA	2.0.17	Guntert, Mumenthaler and Wuthrich
3	refinement	Amber	9	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
4	refinement	CYANA