1K36

NMR Structure of human Epiregulin

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.5mM Epiregulin, 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.4	1 atm	303
2	DQF-COSY	1.5mM Epiregulin, 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.4	1 atm	303
3	2D TOCSY	1.5mM Epiregulin, 90% H2O, 10% D2O	90% H2O/10% D2O	0	3.4	1 atm	303
4	2D NOESY	1.5mM Epiregulin	100% D2O	0	3.4	1 atm	303
5	DQF-COSY	1.5mM Epiregulin	100% D2O	0	3.4	1 atm	303
6	2D TOCSY	1.5mM Epiregulin	100% D2O	0	3.4	1 atm	303

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

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	the structures are based on a total of 604 restraints, 556 are NOE-derived distance constraints, 38 dihedral angle restraints, 10 distance restraints from hydrogen bonds.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	40

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	3.1	Brunger
2	refinement	X-PLOR	3.1	Brunger

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.