2N17

NMR structure of a Kazal-type serine protease inhibitor from the subterranean termite defense gland of Coptotermes formosanus Shiraki soldiers

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
2	2D 1H-13C HSQC	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
3	2D 1H-1H NOESY	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
4	2D 1H-1H TOCSY	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
5	2D 1H-1H COSY	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
6	3D 1H-15N NOESY	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
7	3D 1H-15N TOCSY	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
8	3D HNCACB	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
9	3D HN(COCA)CB	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
10	3D HNCO	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
11	3D HCACO	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
12	3D 1H-13C NOESY	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
13	3D HCCH-TOCSY	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298
14	3D HNHB	1 mM [U-99% 13C; U-99% 15N] TFP4	90% H2O/10% D2O	0.12	6.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	VS-700	700

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing		VnmrJ

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VnmrJ		Agilent
2	processing	NMRPipe	7.8	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	data analysis	CCPNMR	2.2.2	CCPN
4	peak picking	CCPNMR	2.2.2	CCPN
5	chemical shift assignment	CCPNMR	2.2.2	CCPN
6	noe assignment	CCPNMR	2.2.2	CCPN
7	dihedral angle	CCPNMR	2.2.2	CCPN
8	geometry optimization	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
9	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
10	dihedral angle	TALOS		Cornilescu, Delaglio and Bax
11	structure validation	PSVS	1.5	Bhattacharya and Montelione

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.