1KMX

Heparin-binding Domain from Vascular Endothelial Growth Factor

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	2.0 mM VEGF heparin-binding domain; 25 mM sodium acetate; 50 mM sodium chloride, 0.02% sodium azide	90% H2O/10% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300
2	2D NOESY	2.0 mM VEGF heparin-binding domain; 25 mM sodium acetate; 50 mM sodium chloride, 0.02% sodium azide	90% H2O/10% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300
3	3D_15N-separated_NOESY	2.0 mM VEGF heparin-binding domain U-15N; 25 mM sodium acetate; 50 mM sodium chloride, 0.02% sodium azide	90% H2O/10% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300
4	HNHA	2.0 mM VEGF heparin-binding domain U-15N; 25 mM sodium acetate; 50 mM sodium chloride, 0.02% sodium azide	90% H2O/10% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300
5	DQF-COSY	2.0 mM VEGF heparin-binding domain U-15N; 25 mM sodium acetate; 50 mM sodium chloride, 0.02% sodium azide	99.9% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300
6	2D NOESY	2.0 mM VEGF heparin-binding domain U-15N; 25 mM sodium acetate; 50 mM sodium chloride, 0.02% sodium azide	99.9% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300
7	2D 15N IPAP-HSQC	2.0 mM VEGF heparin-binding domain U-15N; 25 mM sodium acetate; 50 mM sodium chloride, 0.02% sodium azide	90% H2O/10% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300
8	2D 15N IPAP HSQC	0.6 mM VEGF heparin-binding domain U-15N; 25 mM sodium acetate; 50 mM sodium chloride; 0.02% sodium azide	4:1:0.2 ditridecanoyl-phosphatidylcholine/dihexanoyl-phosphatidylcholine/cetyltrimethylammonium bromide, 5% w/v total lipid in 90% H2O, 10% D2O	25 mM sodium acetate; 50 mM sodium chloride	5.5	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX	500
2	Bruker	DRX	500

NMR Refinement
Method	Details	Software
torsion angle dynamics	The structures are based on 459 NOE-derived distance restraints, 28 H-bond restraints, 66 dihedral angle restraints, and 38 residual dipolar coupling restraints	UXNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Additional NMR Experimental Information
Details	The structure was refined using 1H-15N dipolar coupling restraints

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	UXNMR
2	collection	XwinNMR
3	processing	Felix
4	data analysis	Felix
5	structure solution	CNX
6	refinement	CNX		Molecular Simulations, Inc.

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.