1JV8

NMR Structure of BPTI Mutant G37A

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	5 mM G37A BPTI, pH 4.6 with HCl	90% H2O/10% D2O	30 mM estimated from protein alone	4.6	ambient	298
2	DQF-COSY	5 mM G37A BPTI, pH 4.6 with HCl	90% H2O/10% D2O	30 mM estimated from protein alone	4.6	ambient	298
3	2D NOESY	5 mM G37A BPTI, pH 4.6 with DCl	99.9% D2O	30 mM estimated from protein alone	4.6	ambient	298
4	2D NOESY	5 mM G37A BPTI, pH 4.6 with DCl	99.9% D2O	30 mM estimated from protein alone	4.6	ambient	283

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Varian	INOVA	600
3	Varian	INOVA	800

NMR Refinement
Method	Details	Software
simulated annealing	Standard structure calculation with distance/torison restraints in XPLOR. Refined using chemical shifts directly in the target function. 926 total restraints: 570 distance, 115 torison, 241 chemical shift	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	23
Representative Model	23 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1B	Varian
2	processing	NMRPipe	1.7	Delaglio, F., Grzesiek, S. Vuister, G., Zhu, G. Pfeifer, J. and Bax, A.
3	data analysis	XEASY	1.2	Bartels, C., Xia, T. Billeter, M., Guntert, P. and Wuthrich, K.
4	structure solution	X-PLOR	3.851	Brunger, A. T.
5	refinement	X-PLOR	3.851	Brunger, A. T.