2KHT

NMR Structure of human alpha defensin HNP-1

SOLID-STATE NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 13C-13C DARR 40 ms, 100 ms & 200 ms	Polycrystalline sample grown from 60% w/v PEG400, 30 mM Cacodylate, 60 mM Lithium Sulfate			6.5	1 atm	268
2	2D 15N-15N PDSD 3 s	Polycrystalline sample grown from 60% w/v PEG400, 30 mM Cacodylate, 60 mM Lithium Sulfate			6.5	1 atm	268
3	2D CM5RR 0.8 ms & 1.5 ms	Polycrystalline sample grown from 60% w/v PEG400, 30 mM Cacodylate, 60 mM Lithium Sulfate			6.5	1 atm	253
4	2D CHHC 200 us & 300 us	Polycrystalline sample grown from 60% w/v PEG400, 30 mM Cacodylate, 60 mM Lithium Sulfate			6.5	1 atm	253
5	3D 15N-13C-13C NCACX	Polycrystalline sample grown from 60% w/v PEG400, 30 mM Cacodylate, 60 mM Lithium Sulfate			6.5	1 atm	268
6	3D 15N-13C-13C NCOCX	Polycrystalline sample grown from 60% w/v PEG400, 30 mM Cacodylate, 60 mM Lithium Sulfate			6.5	1 atm	268
7	2D 15N-13C NCX	Polycrystalline sample grown from 60% w/v PEG400, 30 mM Cacodylate, 60 mM Lithium Sulfate			6.5	1 atm	253

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing, simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (minimized average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH	2.21	Schwieters, Kuszewski, Tjandra and Clore
2	chemical shift assignment	Sparky	3.113	Goddard
3	processing	TopSpin	1.3	Bruker Biospin
4	refinement	UCSF-Chimera	1.3	Pettersen, E.F., Goddard, T.D., Huang, C.C., Couch, G.S., Greenblatt, D.M., Meng, E.C., and Ferrin, T.E