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C-TERMINAL TRUNCATION OF OMEGA-ATRACOTOXIN-HV2A (CT-HV2A)
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D_TOCSY
2.5 mM CT-Hv2a
95% H2O/5% D2O
0.005
4.71
1 atm
296
2
2D_NOESY
2.5 mM CT-Hv2a
95% H2O/5% D2O
0.005
4.71
1 atm
296
3
2D_NOESY
2.5 mM CT-Hv2a
100% D2O
0.005
4.71
1 atm
296
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
INOVA
600
NMR Refinement
Method
Details
Software
Torsion angle dynamics followed by dynamical simulated annealing
The structures are based on a total of 345 NOE-derived distance restraints, 21 dihedral-angle restraints, plus 22 restraints defining 11 hydrogen bonds.
VNMR
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
100
Conformers Submitted Total Number
20
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
This structure was determined using standard 2D homonuclear NMR techniques.