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Solution Structure of Apo-Neocarzinostatin
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D 1H-1H-15N TOCSY 2.2 mM u-15N 1, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v 90% H2O/10% D2O 25 mM sodium phosphate 5.0 ambient 308 2 3D 1H-1H-15N NOESY 2.2 mM u-15N 1, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v 90% H2O/10% D2O 25 mM sodium phosphate 5.0 ambient 308 3 3D HNHA 2.2 mM u-15N 1, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v 90% H2O/10% D2O 25 mM sodium phosphate 5.0 ambient 308 4 3D HNHB 2.2 mM u-15N 1, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v 90% H2O/10% D2O 25 mM sodium phosphate 5.0 ambient 308 5 2D 1H-15N HSQC 2.2 mM u-15N 1, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v 90% H2O/10% D2O 25 mM sodium phosphate 5.0 ambient 308 6 2D 1H-1H NOESY 2.2 mM u-15N 1, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v 90% H2O/10% D2O 25 mM sodium phosphate 5.0 ambient 308
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 600 2 Varian UNITYPLUS 500
NMR Refinement Method Details Software Simulated annealing with torsion angle dynamics RESTRAINTS FOR STRUCTURE CALCULATION: INTRARESIDUE NOES 194, SEQUENTIAL NOES (I, I +1) 206,
MEDIUM-RANGE NOES (I, I+2 - I+4) 129, LONG-RANGE NOES (I, I> 5) 303, PSI ANGLE RESTRAINTS 56, HYDROGEN BONDS 52, DISULPHIDE BONDS 12. VNMR
NMR Ensemble Information Conformer Selection Criteria structures with favorable non-bond energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 44 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR 6.1c Varian 2 processing NMRPipe sgi6x Delaglio, F., Grzesiek, S., Vuister, G. W., Zhu, G., Pfeifer, J., and Bax, A. 3 analysis XEASY 1.3.13 Bartels, C., Xia, T. H., Billeter, M., Guntert, P., and Wurthrich, K. 4 refinement DYANA Guntert, Mumenthaler, Wurthrich