1PE3

Solution structure of the disulphide-linked dimer of human intestinal trefoil factor (TFF3)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.0mM TFF3 U-15N; 50mM phosphate buffer ph 6.8; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM	6.8	ambient	308
2	3D_15N-separated_NOESY	2.0mM TFF3 U-15N; 50mM phosphate buffer ph 6.8; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM	6.8	ambient	308
3	HNHA	2.0mM TFF3 U-15N; 50mM phosphate buffer ph 6.8; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM	6.8	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
torsion angle dynamics		DYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry, structures with favorable non-bond energy, structures with the least restraint violations, structures with the lowest energy, target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	47
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	DYANA	1.5	Guntert

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.