8ES2

Backbone modifications in the inter-helix loop of designed miniprotein oPPalpha: Aib10Asn11 turn

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	4.2 mM Designed miniprotein oPPalpha: Aib10Asn11 turn, 0.2 mM DSS, 8.2 mM sodium phosphate, 1.8 mM potassium phosphate, 137 mM sodium chloride, 2.7 mM potassium chloride	90% H2O/10% D2O	163 mM	7.4	1 atm	278	Bruker AVANCE 700
2	2D 1H-1H COSY	4.2 mM Designed miniprotein oPPalpha: Aib10Asn11 turn, 0.2 mM DSS, 8.2 mM sodium phosphate, 1.8 mM potassium phosphate, 137 mM sodium chloride, 2.7 mM potassium chloride	90% H2O/10% D2O	163 mM	7.4	1 atm	278	Bruker AVANCE 700
3	2D 1H-1H NOESY	4.2 mM Designed miniprotein oPPalpha: Aib10Asn11 turn, 0.2 mM DSS, 8.2 mM sodium phosphate, 1.8 mM potassium phosphate, 137 mM sodium chloride, 2.7 mM potassium chloride	90% H2O/10% D2O	163 mM	7.4	1 atm	278	Bruker AVANCE 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	TopSpin		Bruker Biospin
2	data analysis	NMRFAM-SPARKY		Lee, Tonelli, Markley
3	refinement	ARIA		Linge, O'Donoghue and Nilges
4	structure calculation	ARIA		Linge, O'Donoghue and Nilges