2LVZ

Solution structure of a Eosinophil Cationic Protein-trisaccharide heparin mimetic complex

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-13C NOESY aliphatic	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
2	3D 1H-15N NOESY	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
3	2D 1H-15N HSQC	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
4	2D 1H-1H NOESY	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
5	3D CBCA(CO)NH	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
6	3D HNCACB	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
7	3D HNCA	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
8	3D HN(CO)CA	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298
9	3D HCCH-TOCSY	0.5 mM [U-13C; U-15N] Eosinophil Cationic Protein, 0.5 mM Heparin (3-MER), 100 mM potassium phosphate, 300 mM potassium chloride	90% H2O/10% D2O	0.3	4.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman
2	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard
5	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollman

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.