1IMW

Peptide Antagonist of IGFBP-1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D-ROESY	6.7 mM peptide	93% H2O/7% D2O	0	5.3	1 atm	303
2	DQF-COSY	6.7 mM peptide	93% H2O/7% D2O	0	5.3	1 atm	303
3	2D-ROESY	6.7 mM peptide	100% D2O	0	5.3	1 atm	303
4	COSY-35	6.7 mM peptide	100% D2O	0	5.3	1 atm	303

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

NMR Refinement
Method	Details	Software
restrained molecular dynamics	The structures were detemined on the basis of 149 NOE distance restraints and 15 dihedral angle restraints. The resulting ensemble had no restraint violations greater than 0.07 Angstroms or 1.4 deg. The mean restraint violation energy was 0.17+/- 0.06 kcal/mol.	DGII

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	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	DGII	970	Havel
2	refinement	DISCOVER	970	MSI/biosym

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.