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Structural characterization of PHOX2B and its DNA interactions shed lights into the molecular basis of the + 7Ala variant pathogenicity in CCHS
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-13C HSQC 0.1 mM [U-13C; U-15N] Paired mesoderm homeobox protein 2B (Phox2B) 90% H2O/10% D2O 200 mM 7.4 1 atm 298 Bruker AVANCE III HD 600 2 2D 1H-15N HSQC 0.1 mM [U-13C; U-15N] Paired mesoderm homeobox protein 2B (Phox2B) 90% H2O/10% D2O 200 mM 7.4 1 atm 298 Bruker AVANCE III HD 600 3 3D HNCA 0.1 mM [U-13C; U-15N] Paired mesoderm homeobox protein 2B (Phox2B) 90% H2O/10% D2O 200 mM 7.4 1 atm 298 Bruker AVANCE III HD 600 4 3D CBCA(CO)NH 0.1 mM [U-13C; U-15N] Paired mesoderm homeobox protein 2B (Phox2B) 90% H2O/10% D2O 200 mM 7.4 1 atm 298 Bruker AVANCE III HD 600 5 3D HNCO 0.1 mM [U-13C; U-15N] Paired mesoderm homeobox protein 2B (Phox2B) 90% H2O/10% D2O 200 mM 7.4 1 atm 298 Bruker AVANCE III HD 600 6 3D HNHA 0.1 mM [U-13C; U-15N] Paired mesoderm homeobox protein 2B (Phox2B) 90% H2O/10% D2O 200 mM 7.4 1 atm 298 Bruker AVANCE III HD 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III HD 600
NMR Refinement Method Details Software na CS-ROSETTA
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 3000 Conformers Submitted Total Number 20 Representative Model 4 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment CARA Keller and Wuthrich 5 chemical shift assignment Sparky Goddard 2 structure calculation CS-ROSETTA Shen, Vernon, Baker and Bax 3 refinement CS-ROSETTA Shen, Vernon, Baker and Bax 4 peak picking CARA Keller and Wuthrich