1K37 | pdb_00001k37

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	1
Representative Model	1 (minimized average structure)

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