2PPZ

NMR solution Structure of the Villin Headpiece Mutant G34L

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY, 80 ms mixing time	4.3 mg peptide dissolved in 0.5 ml 90% H2O, 10% D2O (v/v) and 0.1 mM 2,2-dimethyl-2-silapentane sulfonic acid (DSS) for internal referencing	90% H2O/10% D2O		5.0	ambient	298
2	2D NOESY, 250 ms mixing time	4.3 mg peptide dissolved in 0.5 ml 90% H2O, 10% D2O (v/v) and 0.1 mM 2,2-dimethyl-2-silapentane sulfonic acid (DSS) for internal referencing	90% H2O/10% D2O		5.0	ambient	298

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

NMR Refinement
Method	Details	Software
simulated annealing	torsion angle dynamics	CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with favorable non-bond energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	data analysis	AUREMOL	1.1	Gronwald W. & Kalbitzer H.R.
3	processing	XwinNMR	3.2	Bruker Biospin