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N-terminal domain (NTD) Solution structure of aciniform spidroin (AcSpN) from Nephila antipodiana.
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1 mM [U-100% 13C; U-100% 15N] NTD 95% H2O/5% D2O 500 mM 7.0 1 atm 298 Bruker AVANCE 800 2 3D CBCA(CO)NH 1 mM [U-100% 13C; U-100% 15N] NTD 95% H2O/5% D2O 500 mM 7.0 1 atm 298 Bruker AVANCE 800 3 3D HNCACB 1 mM [U-100% 13C; U-100% 15N] NTD 95% H2O/5% D2O 500 mM 7.0 1 atm 298 Bruker AVANCE 800 4 3D HCCH-TOCSY 1 mM [U-100% 13C; U-100% 15N] NTD 95% H2O/5% D2O 500 mM 7.0 1 atm 298 Bruker AVANCE 800 5 3D 1H-15N NOESY 1 mM [U-100% 13C; U-100% 15N] NTD 95% H2O/5% D2O 500 mM 7.0 1 atm 298 Bruker AVANCE 800 6 3D 1H-13C NOESY 1 mM [U-100% 13C; U-100% 15N] NTD 95% H2O/5% D2O 500 mM 7.0 1 atm 298 Bruker AVANCE 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800
NMR Refinement Method Details Software simulated annealing X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR NIH 2.53 Schwieters, Kuszewski, Tjandra and Clore 2 structure calculation X-PLOR NIH 2.53 Schwieters, Kuszewski, Tjandra and Clore 3 chemical shift assignment Sparky Goddard 4 peak picking Sparky Goddard 5 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax