7N26

NMR structure of EpI-[Y(SO3)15Y]-NH2


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
11H-1H TOCSY1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS90% H2O/10% D2O5 mM6.0ambient298Bruker AVANCE 700
21H-1H NOESY1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS90% H2O/10% D2O5 mM6.0ambient298Bruker AVANCE 700
31H-15N HSQC1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS90% H2O/10% D2O5 mM6.0ambient298Bruker AVANCE 700
41H-13C HSQC1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS90% H2O/10% D2O5 mM6.0ambient298Bruker AVANCE 700
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerAVANCE700
NMR Refinement
MethodDetailsSoftware
simulated annealingtorsion angle simulated annealing, ensemble contains 20 structures with the best MolProbity scores, minimum energies and no violationsCYANA
naminimised in a water shellCNS
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy
Conformers Calculated Total Number50
Conformers Submitted Total Number20
Representative Model1 (lowest energy)
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1refinementCNSBrunger A. T. et.al.
2structure calculationCYANA3.98.13Guntert, Mumenthaler and Wuthrich
3chemical shift assignmentCcpNmr Analysisv3CCPN