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Solution structure of hypothetical protein MTH538 from Methanobacterium thermoautotrophicum
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 4D_13C-separated_NOESY 2mM MTH538 U-15N,13C; 25 mM phosphate buffer pH 7.1, 150 mM NaCl, 5 mM DTT 99% D2O 150 mM salt, 25 mM phosphate buffer 7.4 ambient 298 2 3D_15N-separated_NOESY 2mM MTH538 U-15N; 25 mM phosphate buffer pH 7.4, 150 mM NaCl, 90% H2O, 10% D2O, 5 mM DTT 90% H2O/10% D2O 150 mM salt, 25 mM phosphate buffer 7.4 ambient 298 3 HMQC-J 2mM MTH538 U-15N; 25 mM phosphate buffer pH 7.4, 150 mM NaCl, 90% H2O, 10% D2O, 5 mM DTT 90% H2O/10% D2O 150 mM salt, 25 mM phosphate buffer 7.4 ambient 298 4 3D_13C,15N-simultaneous NOESY 2mM MTH538 U-15N,13C; 25 mM phosphate buffer pH 7.4, 150 mM NaCl, 90% H2O, 10% D2O, 5 mM DTT 90% H2O/10% D2O 150 mM salt, 25 mM phosphate buffer 7.4 ambient 298 5 1H-15N HSQC D2O exchange 2mM MTH538 U-15N; 25 mM phosphate buffer pH 7.1, 150 mM NaCl, 5 mM DTT 99% D2O 150 mM salt, 25 mM phosphate buffer 7.4 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 600 2 Varian UNITYPLUS 500
NMR Refinement Method Details Software distance geometry and simulated annealing 519 NOE-derived distance constraints
55 dihedral angle constraints (phi)
28 hydrogen bonds (2 constraints per H-bond) X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 20 Conformers Submitted Total Number 16 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR 3.1 Brunger 2 processing Felix 98 MSI 3 collection VNMR Varian 4 refinement X-PLOR 3.1 Brunger