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Atomic model of the Type-III Secretion System Needle
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 15N-13C PAIN-CP 0.1 mM [U-100% 13C; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278 2 PDSD 0.1 mM [U-100% 13C; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278 3 15N-13C PAIN-CP 0.1 mM [100% 1-13C glucose; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278 4 PDSD 0.1 mM [100% 1-13C glucose; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278 5 15N-13C PAIN-CP 0.1 mM [100% 2-13C glucose; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278 6 PDSD 0.1 mM [100% 2-13C glucose; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278 7 15N-13C PAIN-CP 0.1 mM [50% 1-13C glucose; 50% 2-13C glucose; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278 8 PDSD 0.1 mM [50% 1-13C glucose; 50% 2-13C glucose; U-100% 15N] PrgI protein 90% H2O/10% D2O 0 7.5 ambient 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600 2 Bruker AVANCE 850
NMR Refinement Method Details Software Monte Carlo and gradient-based optimization Monte-Carlo and gradient-based refinement in torsion angle space of the rigid body, backbone and sidechain degrees of freedom Rosetta
NMR Ensemble Information Conformer Selection Criteria target function Conformers Calculated Total Number 1000000 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure calculations Rosetta 3.4 Leaver-Fay, A. et al. 2 data analysis CcpNmr CCPN 3 refinement Rosetta 3.4 Leaver-Fay, A. et al.