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NMR-Based Model of the 22 Amino Acid Peptide in Polysialyltransferase Domain (PSTD) of the Polysialyltransferase ST8Sia IV
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1.0 mM 22AA-PSTD peptide, 40 % trifluoroethanol-d3 trifluoroethanol/water 0 mM 6.7 1 atm 298 Agilent DD2 800 2 2D 1H-13C HSQC 1.0 mM 22AA-PSTD peptide, 40 % trifluoroethanol-d3 trifluoroethanol/water 0 mM 6.7 1 atm 298 Agilent DD2 800 3 2D 1H-1H NOESY 1.0 mM 22AA-PSTD peptide, 40 % trifluoroethanol-d3 trifluoroethanol/water 0 mM 6.7 1 atm 298 Agilent DD2 800 4 2D 1H-1H TOCSY 1.0 mM 22AA-PSTD peptide, 40 % trifluoroethanol-d3 trifluoroethanol/water 0 mM 6.7 1 atm 298 Agilent DD2 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Agilent DD2 800
NMR Refinement Method Details Software simulated annealing NMRPipe
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 processing NMRPipe 8.9 Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 2 data analysis Analysis 2.4 CCPN 3 structure calculation ARIA 2.3.1 Linge, O'Donoghue and Nilges 4 refinement CNS 1.2.1 Brunger, Adams, Clore, Gros, Nilges and Read