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Reduced and CO-bound cytochrome P450cam (CYP101A1)
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D HNCA 0.4 mM [U-100% 13C; U-100% 15N; U-80% 2H] reduced-CO-bound CYP101A1, 3 mM camphor, pH 7.4 TrisHCl buffer, 100 mM KCl cytochrome 90% H2O/10% D2O 100 7.4 ambient 298 2 3D HN(CO)CA 0.4 mM [U-100% 13C; U-100% 15N; U-80% 2H] reduced-CO-bound CYP101A1, 3 mM camphor, pH 7.4 TrisHCl buffer, 100 mM KCl cytochrome 90% H2O/10% D2O 100 7.4 ambient 298 3 3D HNCACB 0.4 mM [U-100% 13C; U-100% 15N; U-80% 2H] reduced-CO-bound CYP101A1, 3 mM camphor, pH 7.4 TrisHCl buffer, 100 mM KCl cytochrome 90% H2O/10% D2O 100 7.4 ambient 298 4 3D 1H-15N NOESY 0.4 mM [U-100% 13C; U-100% 15N; U-80% 2H] reduced-CO-bound CYP101A1, 3 mM camphor, pH 7.4 TrisHCl buffer, 100 mM KCl cytochrome 90% H2O/10% D2O 100 7.4 ambient 298 5 TROSY-SemiTROSY 0.4 mM [U-15N] reduced-CO-bound CYP101A1, 3 mM camphor, pH 7.4 TrisHCl buffer, 100 mM KCl, 5% nematic phase C12E5/hexanol added for alignment 90% H2O/10% D2O 6 TROSY-SemiTROSY 0.4 mM [U-15N] reduced-CO-bound CYP101A1, 3 mM camphor, pH 7.4 TrisHCl buffer, 100 mM KCl, except 8 mg/mL pf1 phage added 90% H2O/10% D2O
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800
NMR Refinement Method Details Software molecular dynamics solvated MD, 16,935 waters, 0.1 M KCl in box, 298K Amber
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 18 Conformers Submitted Total Number 1 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 refinement Amber 10 Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm