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Structural Characterization of Minor Ampullate Spidroin Domains and their Distinct Roles in Fibroin Solubility and Fiber Formation
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1mM [U-100% 13C; U-100% 15N] CTD-1, 10mM sodium phosphate-2, 0.01% sodium azide-3, 5mM EDTA-4, 50mM sodium chloride-5 93% H2O/7% D2O 0.06 6.8 ambient 307 2 3D HNCA 1mM [U-100% 13C; U-100% 15N] CTD-1, 10mM sodium phosphate-2, 0.01% sodium azide-3, 5mM EDTA-4, 50mM sodium chloride-5 93% H2O/7% D2O 0.06 6.8 ambient 307 3 3D HN(CO)CA 1mM [U-100% 13C; U-100% 15N] CTD-1, 10mM sodium phosphate-2, 0.01% sodium azide-3, 5mM EDTA-4, 50mM sodium chloride-5 93% H2O/7% D2O 0.06 6.8 ambient 307 4 2D 1H-13C HSQC 1mM [U-100% 13C; U-100% 15N] CTD-1, 10mM sodium phosphate-2, 0.01% sodium azide-3, 5mM EDTA-4, 50mM sodium chloride-5 93% H2O/7% D2O 0.06 6.8 ambient 307 5 3D MQ-CCH-TOCSY 1mM [U-100% 13C; U-100% 15N] CTD-1, 10mM sodium phosphate-2, 0.01% sodium azide-3, 5mM EDTA-4, 50mM sodium chloride-5 93% H2O/7% D2O 0.06 6.8 ambient 307 6 4D 13C, 15N-edited NOESY 1mM [U-100% 13C; U-100% 15N] CTD-1, 10mM sodium phosphate-2, 0.01% sodium azide-3, 5mM EDTA-4, 50mM sodium chloride-5 93% H2O/7% D2O 0.06 6.8 ambient 307
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800
NMR Refinement Method Details Software simulated annealing TopSpin
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 3 structure solution CYANA Guntert, Mumenthaler and Wuthrich 4 data analysis MOLMOL Koradi, Billeter and Wuthrich 5 processing NMRDraw Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 6 processing TALOS Cornilescu, Delaglio and Bax 7 peak picking NMRspy Daiwen Yang, Yu Zheng 8 chemical shift assignment NMRspy Daiwen Yang, Yu Zheng 9 noe assignment NMRspy Daiwen Yang, Yu Zheng 10 refinement CYANA