1YTP

Solution structure of the C4A/C41A variant of the Nicotiana alata proteinase inhibitor T1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM C4A/C41A-T1	90% H2O/10% D2O	1mM	5.8	ambient	313
2	2D TOCSY	1mM C4A/C41A-T1	90% H2O/10% D2O	1mM	5.8	ambient	313
3	DQF-COSY	1mM C4A/C41A-T1	90% H2O/10% D2O	1mM	5.8	ambient	313
4	2D NOESY	1mM C4A/C41A-T1	99% D2O	1mM	5.8	ambient	313
5	2D TOCSY	1mM C4A/C41A-T1	99% D2O	1mM	5.8	ambient	313

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	ARX	500
2	Bruker	DMX	750

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics, explicit inclusion of water molecules (Linge & Nilges, 1999)		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	11 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker
2	processing	XwinNMR	3.5	Bruker
3	data analysis	ccnmr/glxcc	n.a.	Cieslar, Holak, Oschkinat, 1990
4	refinement	CNS	1.1	Brunger

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 R01GM133198.