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NMR Structure of human alpha defensin HNP-1
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