2KHS

Solution structure of SNase121:SNase(111-143) complex

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	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
2	2D 1H-13C HSQC	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
3	3D CBCA(CO)NH	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
4	3D HNCACB	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
5	3D HNCO	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
6	3D HN(CA)CO	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
7	3D H(CCO)NH	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
8	3D C(CO)NH	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
9	3D 1H-15N TOCSY	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
10	3D 1H-15N NOESY	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
11	3D 1H-13C NOESY	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
12	2D 1H-15N HSQC	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
13	2D 1H-13C HSQC	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
14	3D CBCA(CO)NH	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
15	3D HNCACB	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
16	3D HNCO	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
17	3D HN(CA)CO	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
18	3D H(CCO)NH	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
19	3D C(CO)NH	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
20	3D 1H-15N TOCSY	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
21	3D 1H-15N NOESY	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
22	3D 1H-13C NOESY	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300
23	4D 13C,1H-HMQC-NOESY-15N,1H-HSQC	1 mM [U-13C] protein-1, 1 mM [U-15N] protein-2, 50 mM sodium acetate-11, 100 mM potassium chloride-12	90% H2O/10% D2O	0.15	5.0	ambient	300
24	4D 13C,1H-HMQC-NOESY-15N,1H-HSQC	1 mM [U-15N] protein-1, 1 mM [U-13C] protein-2, 50 mM sodium acetate-15, 100 mM potassium chloride-16	90% H2O/10% D2O	0.15	5.0	ambient	300
25	3D w1-Filter-NOESY-13C, 1H-HSQC	1.0 mM [U-13C; U-15N] protein-1, 1.0 mM protein-2, 50 mM sodium acetate-3, 100 mM potassium chloride-4	90% H2O/10% D2O	0.15	5.0	ambient	300
26	3D w1-Filter-NOESY-13C, 1H-HSQC	1.0 mM protein-1, 1.0 mM [U-13C; U-15N] protein-2, 50 mM sodium acetate-7, 100 mM potassium chloride-8	90% H2O/10% D2O	0.15	5.0	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	600

NMR Refinement
Method	Details	Software
molecular dynamics, simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR		Bruker Biospin
2	processing	Felix		Accelrys Software Inc.
3	peak picking	Felix		Accelrys Software Inc.
4	data analysis	Felix		Accelrys Software Inc.
5	chemical shift assignment	Felix		Accelrys Software Inc.
6	structure solution	CNS	1.2
7	refinement	CNS	1.2