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Structure of Rac1 in the low-affinity state for Mg2+
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D HSQC 20 mM HEPES, 5 mM MgCl2, 0.5 mM GDP, 0.1 mM DSS 90% H2O/10% D2O 0 mM 7.0 1 atm 313 Bruker AVANCE 500
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 500
NMR Refinement Method Details Software 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 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 2 processing TopSpin Bruker Biospin 4 peak picking Sparky Goddard 3 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 5 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore