Poecitoxin-1a from Poecilotheria subfusca spider, a new potent peptide blocker of the human Cav1.2 channel subtype


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D 1H-1H NOESY5.0 mg/mL Poecitoxin-1a, 90 % H2O, 10 % [U-100% 2H] D2O, 100 mM [U-100% 2H] sodium acetate90% H2O/10% D2O100 mM5.01 atm307Bruker AVANCE III 700
22D 1H-1H TOCSY5.0 mg/mL Poecitoxin-1a, 90 % H2O, 10 % [U-100% 2H] D2O, 100 mM [U-100% 2H] sodium acetate90% H2O/10% D2O100 mM5.01 atm307Bruker AVANCE III 700
32D 1H-1H NOESY5.0 mg/mL Poecitoxin-1a, 90 % H2O, 10 % [U-100% 2H] D2O, 100 mM [U-100% 2H] sodium acetate90% H2O/10% D2O100 mM5.01 atm307Bruker AVANCE III 700
42D 1H-13C HSQC5.0 mg/mL Poecitoxin-1a, 90 % H2O, 10 % [U-100% 2H] D2O, 100 mM [U-100% 2H] sodium acetate90% H2O/10% D2O100 mM5.01 atm307Bruker AVANCE III 700
52D 1H-15N HSQC5.0 mg/mL Poecitoxin-1a, 90 % H2O, 10 % [U-100% 2H] D2O, 100 mM [U-100% 2H] sodium acetate90% H2O/10% D2O100 mM5.01 atm307Bruker AVANCE III 700
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerAVANCE III700
NMR Refinement
MethodDetailsSoftware
molecular dynamicsSYBYL
NMR Ensemble Information
Conformer Selection Criteriastructures with the least restraint violations
Conformers Calculated Total Number40
Conformers Submitted Total Number10
Representative Model1 (fewest violations)
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1chemical shift assignmentTopSpinBruker Biospin
2structure calculationSYBYLTripos
3refinementSYBYLTripos
4chemical shift assignmentTop