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Autoregulation of a Group 1 Bacterial Sigma Factor Involves the Formation of a Region 1.1- Induced Compacted Structure
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 2 2D 1H-13C HSQC 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 3 3D HNCO 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 4 3D CBCA(CO)NH 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 5 3D HNCACB 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 6 3D H(CCO)NH 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 7 3D HBHA(CO)NH 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 8 3D C(CO)NH 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 9 3D HCCH-TOCSY 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 10 3D 1H-15N NOESY 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298 11 3D 1H-13C NOESY 300-800 uM [U-100% 15N] sigma1.1, 300-800 uM [U-100% 13C; U-100% 15N] sigma1.1 90% H2O/10% D2O 100 6.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600 2 Bruker AVANCE 700 3 Bruker AVANCE 800
NMR Refinement Method Details Software DGSA-distance geometry simulated annealing Used Aria2.1, Intensities were converted into distance restraints using the symmetry ambiguous distance restraints (ADR) protocol CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 512 Conformers Submitted Total Number 20 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 refinement CNS Brunger A. T. et.al.