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Solution structure of ALO3: a new knottin-type antifungal peptide from the insect Acrocinus longimanus
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D TOCSY peptide at 1.2mM, acetate buffer at 40mM, 90% H2O, 10% D2O 90% H2O/10% D2O 5.2 ambient 293 2 DQF-COSY peptide at 1.2mM, acetate buffer at 40mM, 90% H2O, 10% D2O 90% H2O/10% D2O 5.2 ambient 293 3 2D TOCSY peptide at 1.2mM, acetate buffer at 40mM, 90% H2O, 10% D2O 90% H2O/10% D2O 5.2 ambient 303 4 2D NOESY peptide at 1.2mM, acetate buffer at 40mM, 90% H2O, 10% D2O 90% H2O/10% D2O 5.2 ambient 293 5 2D TOCSY peptide at 1.2mM, acetate buffer at 40mM 100% D2O 5.2 ambient 293 6 kinetics exchange peptide at 1.2mM, acetate buffer at 40mM 100% D2O 5.2 ambient 293
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 600
NMR Refinement Method Details Software simulated annealing with torsion angle space Determination of disulfide pattern was done using ambiguous disulfide restraints. NMRPipe
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy and the least restraint violations Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 4 (lowest energy)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software # Classification Version Software Name Author 1 processing NMRPipe 2.2 Delaglio, F. 2 data analysis NMRView 5.0 Johnson, B.A. 3 structure solution ARIA 1.1 Nilges, M. 4 structure solution CNS 1.1 Brunger, A.T. 5 data analysis MOLMOL 2k1 Koradi, R. 6 refinement CNS 1.1 Brunger, A.T.