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High-resolution solution structure of outer membrane protein A transmembrane domain
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 HNCO based experiment for measurement 1JHN couplings 1mM OmpA U-2H,13C,15N; 500mM DPC; 10mM phosphate buffer; pH 6.3; 50mM NaCl 90% H2O/10% D2O 50mM NaCl 6.3 ambient 223 2 HNCO based experiment for measurement 1JNC' couplings 1mM OmpA U-2H,13C,15N; 500mM DPC; 10mM phosphate buffer; pH 6.3; 50mM NaCl 90% H2O/10% D2O 50mM NaCl 6.3 ambient 223 3 HNCO based experiment for measurement 1JC'Ca couplings 1mM OmpA U-2H,13C,15N; 500mM DPC; 10mM phosphate buffer; pH 6.3; 50mM NaCl 90% H2O/10% D2O 50mM NaCl 6.3 ambient 223
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 600
NMR Refinement Method Details Software simulated annealing refinement using RDCs CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 150 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details distance restraints, hydrogen bonds and dihedral angles were the same as for previous NMR structure (PDB code 1g90)
Computation: NMR Software # Classification Version Software Name Author 1 refinement CNS 1.1 Brunger