2LLD

The Insect Defensin Lucifensin from Lucilia sericata

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP	95% H2O/5% D2O		5.0	ambient	298.15
2	2D 1H-1H NOESY	2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP	95% H2O/5% D2O		5.0	ambient	298.15
3	2D DQF-COSY	2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP	95% H2O/5% D2O		5.0	ambient	298.15
4	2D 1H-13C HSQC	2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP	95% H2O/5% D2O		5.0	ambient	298.15
5	2D 1H-13C HSQC aromatic	2 mM lucifensin, 10 mM potassium phosphate, 5 % D2O, 15 uM TSP	95% H2O/5% D2O		5.0	ambient	298.15

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	DRX	600

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics	First, in vacuo refinement with the NOVA force field, then refinement in explicit water with the YASARA force field	TopSpin

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	2.1	Bruker Biospin
2	processing	TopSpin	2.1	Bruker Biospin
3	chemical shift assignment	CARA	1.8.4	Keller and Wuthrich
4	data analysis	CARA	1.8.4	Keller and Wuthrich
5	peak picking	CARA	1.8.4	Keller and Wuthrich
6	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
7	geometry optimization	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
8	geometry optimization	TALOS+		Cornilescu, Delaglio and Bax
9	refinement	YASARA	11.5.21	Elmar Krieger
10	structure validation	ProcheckNMR		Laskowski and MacArthur