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Solution structure of the N-terminal PH/PTB domain of the TFIIH P62 subunit
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1.5mM P62; 20mM deuterated TRIS; 90% H2O, 10% D2O 90% H2O/10% D2O 20mM 7.4 ambient 293 2 3D_13C-separated_NOESY 1.5mM P62 U-15N,13C; 20mM deuterated TRIS; 90% H2O, 10% D2O 90% H2O/10% D2O 20mM 7.4 ambient 293 3 3D_15N-separated_NOESY 1.2mM P62 U-15N; 20mM deuterated TRIS; 90% H2O, 10% D2O 90% H2O/10% D2O 20mM 7.4 ambient 293 4 HNHA 1.2mM P62 U-15N; 20mM deuterated TRIS; 90% H2O, 10% D2O 90% H2O/10% D2O 20mM 7.4 ambient 293 5 IPAP-[1H-15N] HSQC 0.9mM P62 U-15N; 20mM deuterated TRIS + 26ug C12E6/hexanol; 90% H2O, 10% D2O 90% H2O, 10% D2O; 26 ug C12E6/hexanol 20mM 7.4 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600 2 Bruker DRX 500
NMR Refinement Method Details Software simulated annealing total NOE restraints: 1944
dihedral angle restraints: 148
hydrogen bonds: 35
Residual Dipolar coupling: 76 X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 60 Conformers Submitted Total Number 19 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR NIH Brunger 2 structure solution CNS 1.0 Brunger