SOLID-STATE NMR

NMR Experiment
Experiment Type Sample Contents Ionic Strength Solvent pH Pressure Temprature (K)
1 3D NCACX 60 % w/w [U-13C; U-15N] Sucrose transport protein, Bradyrhizobium japonicum SemiSWEET (BjSemiSWEET), H2O 1 H2O 8.2 1 298
2 3D NCOCX 60 % w/w [U-13C; U-15N] Sucrose transport protein, Bradyrhizobium japonicum SemiSWEET (BjSemiSWEET), H2O 1 H2O 8.2 1 298
3 3D CONCA 60 % w/w [U-13C; U-15N] Sucrose transport protein, Bradyrhizobium japonicum SemiSWEET (BjSemiSWEET), H2O 1 H2O 8.2 1 298
4 2D 500ms CORD 60 % w/w [U-13C; U-15N] Sucrose transport protein, Bradyrhizobium japonicum SemiSWEET (BjSemiSWEET), H2O 1 H2O 8.2 1 298
NMR Spectrometer Information
Spectrometer Manufacturer Model Field Strength
1 Bruker Bruker AVANCE III 800 800
NMR Refinement
Method Details Software
simulated annealing A total of 1000 structures were de novo generated through molecular dynamics simulated annealing in torsion angle space with two consecutive annealing schedules, followed by final gradient minimization in Cartesian space. Each structure was subject to specific constraints: 379*2 unique non-redundant 13C-13C distance constraints, 74*2 hydrogen bond constraints, and 81*2 TALOS-N derived torsion angle constrained chains for comformation I, per BjSemiSWEET dimer structure. 2
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 1000
Conformers Submitted Total Number 10
Representative Model 1 (lowest energy)
Computation: NMR Software
# Classification Version Software Name Author
1 chemical shift assignment ? Sparky Goddard
2 structure calculation ? X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore
3 data analysis ? NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4 peak picking ? Sparky Goddard
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