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SOLUTION STRUCTURE OF A MUTANT OF TRANSCRIPTION FACTOR 1.
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 2 mM TF1-G15/I32, 100 mM phosphate buffer 90% H2O/10% D2O 400 mM NaCl 6.7 Ambient 308 2 DQF-COSY 2 mM TF1-G15/I32, 100 mM phosphate buffer 90% H2O/10% D2O 400 mM NaCl 6.7 Ambient 308 3 3D_15N-separated_NOESY 2 mM TF1-G15/I32, U-15N, 100 mM phosphate buffer 90% H2O/10% D2O 400 mM NaCl 6.7 Ambient 308 4 3D_13C-separated_NOESY 2 mM TF1-G15/I32, U-15N, 13C, 100 mM Phosphate buffer 90% H2O/10% D2O 400 mM NaCl 6.7 Ambient 308 5 HNCA-J 2 mM TF1-G15/I32, U-15N, 13C, 100 mM Phosphate buffer 90% H2O/10% D2O 400 mM NaCl 6.7 Ambient 308
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AMX 500 2 Bruker DRX 600
NMR Refinement Method Details Software Distance geometry, simulated annealing, molecular dynamics The structures were based on a total of 2008 NOE-derived distance constraints, 288 dihedral angle restraints and 116 H-bond constraints. XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 23 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 1.3 Bruker 2 processing Felix 97 MSI 3 data analysis Felix 97 MSI 4 structure solution X-PLOR 3 Brunger 5 refinement X-PLOR 3 Brunger