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NMR Structure of a Monomeric Folding Intermediate Reveals the Structural Basis for Rapid Assembly of an Evolutionary Optimized Trimerization Module
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 200uM foldon E5R 95% H2O/5% D2O 10 7.0 ambient 296.7 2 2D 1H-1H NOESY 200uM foldon E5R 95% H2O/5% D2O 10 7.0 ambient 296.7 3 2D 1H-15N HSQC 210uM [U-99% 15N] foldon E5R 95% H2O/5% D2O 10 7.0 ambient 296.7 4 3D 1H-15N TOCSY 210uM [U-99% 15N] foldon E5R 95% H2O/5% D2O 10 7.0 ambient 296.7
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600 2 Bruker DRX 800
NMR Refinement Method Details Software simulated annealing, simulated annealing with explicit solvent TIP3P water model XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 data analysis XwinNMR Bruker 2 data analysis Sparky Goddard 3 data analysis NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 4 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 5 refinement CNS 1.0