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THE NMR STRUCTURE OF A STABLE AND COMPACT ALL-beta-SHEET VARIANT OF INTESTINAL FATTY ACID-BINDING PROTEIN
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 13C-edited NOESY-HSQC 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O 95% H2O/5% D2O 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 7.2 atmospheric atm 298 2 15N-edited NOESY-HSQC 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O 95% H2O/5% D2O 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 7.2 atmospheric atm 298 3 3D 15N-15N edited NOESY 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O 95% H2O/5% D2O 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 7.2 atmospheric atm 298 4 Aromatic13C-NOESY-HSQC 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O 95% H2O/5% D2O 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3 7.2 atmospheric atm 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITY 500 2 Varian INOVA 600
NMR Refinement Method Details Software ARIA1.1.2/CNS1.1 The structures are based on a total of 2173 distance constraints and 176 CSI-derived dihedral angle restraints. CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 20 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.1 NILGES, M. AND O'DONOGHUE, S. (1998) PROG. NMR SPECTROSCOPY 32, 107-139.2. LINGE, J. AND NILGES, M. (1999) JOURNAL OF BIOMOLECULAR NMR 13, 51-59. 2 data analysis Felix 2001 Accelrys Inc. 3 collection VNMR 6.1 Varian Associates 4 refinement CNS 1.1 NILGES, M. AND O'DONOGHUE, S. (1998) PROG. NMR SPECTROSCOPY 32, 107-139.2. LINGE, J. AND NILGES, M. (1999) JOURNAL OF BIOMOLECULAR NMR 13, 51-59.