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NMR STRUCTURE WITH TIGHTLY BOUND WATER MOLECULES OF CYTOTOXIN II (CARDIOTOXIN) FROM NAJA NAJA OXIANA IN AQUEOUS SOLUTION (MINOR FORM).
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 COSY 90% WATER/10% D2O, 100% D2O 5.5 303 2 TOCSY 90% WATER/10% D2O, 100% D2O 5.5 303 3 NOESY 90% WATER/10% D2O, 100% D2O 5.5 303 4 ROESY 90% WATER/10% D2O, 100% D2O 5.5 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITY-600 600
NMR Refinement Method Details Software SIMULATED ANNEALING BY MOLECULAR DYNAMICS IN TORSION ANGLE SPACE THE RESTRAINED REFINMENT WAS MADE IN VACUUM AND ONLY FOR PROTEIN SIDE CHAINS. FANTOM
NMR Ensemble Information Conformer Selection Criteria LEAST RESTRAINT VIOLATION (TARGET FUNCTION VALUE) Conformers Calculated Total Number 220 Conformers Submitted Total Number 20
Additional NMR Experimental Information Details THE STRUCTURE WAS DETERMINED BY HOMONUCLEAR NMR SPECTROSCOPY, USING GRADIENT TECHNIQUE. ROESY EXPERIMENTS WERE HELD AT 290 AND 318K.
Computation: NMR Software # Classification Version Software Name Author 1 refinement FANTOM 4.0 FRACZKIEWICZ, MUMENTHALER, FREYBERG, SCHAUMANN 2 structure solution VARIAN VNMR VNMR 3 structure solution XEASY 4 structure solution DYANA