☰ Navigation Tabs
Solution structure of SFTI-1, A cyclic trypsin inhibitor from sunflower seeds
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1mM SFTI-1 20mM sodium phosphate,pH 4.5,
20% trifluoroethanol,
10% D2O 20mM 4.5 ambient 273 2 DQF-COSY 1mM SFTI-1 20mM sodium phosphate,pH 4.5,
20% trifluoroethanol,
10% D2O 20mM 4.5 ambient 273 3 E-COSY 1mM SFTI-1 20mM sodium phosphate,pH 4.5,
20% trifluoroethanol,
100% D2O 20mM 4.5 ambient 273
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker ARX 500 2 Bruker DMX 750
NMR Refinement Method Details Software simulated annealing with
refinement using a modified CSDX force field. 111 distance constraints,
comprising 53 sequential,
18 medium range,
68 long range,
6 chi1 angle constraints
7 phi angle constraints XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 20
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 2.6 Bruker 2 processing XwinNMR 2.6 Bruker 3 data analysis CCNMR Cieslar et al. 4 structure solution X-PLOR 3.851 Brunger 5 refinement X-PLOR 3.851 Brunger