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ALZHEIMER'S DISEASE AMYLOID-BETA PEPTIDE (RESIDUES 10-35)
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 300uM A-Beta(10-35); 90% H2O, 10% D2O 90% H2O/10% D2O <1mM 5.6 ambient 283 2 DQF-COSY 300uM A-Beta(10-35); 90% H2O, 10% D2O 90% H2O/10% D2O <1mM 5.6 ambient 283 3 15N Edited NOESY-HMQC 300 uM A-Beta(10-35) 2H-Val12, -Leu17, -Val18, -Phe19, -Ile32 and -Leu34; 15N-Phe19, -Val24, -Gly25 and -Gly29; 13C-Val24; 13C-Ala21 Beta Methyl; 13C-Ala30 Beta Methyl; 13C-Met35 Delta Methyl 90% H2O/10% D2O <1mM 5.6 ambient 283 4 13C Edited NOESY 300 uM A-Beta(10-35) 2H-Val12, -Leu17, -Val18, -Phe19, -Ile32 and -Leu34; 15N-Phe19, -Val24, -Gly25 and -Gly29; 13C-Val24; 13C-Ala21 Beta Methyl; 13C-Ala30 Beta Methyl; 13C-Met35 Delta Methyl 90% H2O/10% D2O <1mM 5.6 ambient 283 5 15N Edited NOESY-HMQC 300 uM A-Beta(10-35) 2H-Val12, -Leu17, -Phe19, -Val24, -Ile31 and -Leu34; 15N-Val 18, -Phe20, -Gly25, -Gly29 and -Gly33; 13C-Val24; 13C-Ala21 Beta Methyl; 13C-Ala30 Beta Methyl; 13C-Met35 Delta Methyl 90% H2O/10% D2O <1mM 5.6 ambient 283 6 13C Edited NOESY 300 uM A-Beta(10-35) 2H-Val12, -Leu17, -Phe19, -Val24, -Ile31 and -Leu34; 15N-Val 18, -Phe20, -Gly25, -Gly29 and -Gly33; 13C-Val24; 13C-Ala21 Beta Methyl; 13C-Ala30 Beta Methyl; 13C-Met35 Delta Methyl 90% H2O/10% D2O <1mM 5.6 ambient 283
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITYPLUS 500 2 Varian UNITYPLUS 750
NMR Refinement Method Details Software distance geometry, simulated annealing, and restrained molecular dynamics The structures are based on a total of 84 sequential, 66 medium- (i to i+2 or i+3) and 32 long-range NOE-derived distance constraints. VNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 40 Conformers Submitted Total Number 15 Representative Model 1, 9 (fewest violations)
Additional NMR Experimental Information Details Many observed intra-residue NOE-based distance constraints were not included in the structure calculations.
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR 5.3B Varian Associates 2 structure solution DGII Havel, T. 3 refinement Discover 3.0 MSI, Inc.