1G1Z

NMR Solution Structures of delta-Conotoxin EVIA from Conus ermineus that Selectively Acts on Vertebrate Neuronal Na+ Channels, LEU12-PRO13 Cis isomer


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
1NOESY2 mM conotoxin EVIA; 90% H2O, 10% D2O90% H2O/10% D2O0.013.0ambient283
2DQF-COSY2 mM conotoxin EVIA; 90% H2O, 10% D2O90% H2O/10% D2O0.013.0ambient283
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDRX500
NMR Refinement
MethodDetailsSoftware
hybrid distance geometry dynamical simulated annealing with the allhdg force field and simulated annealing with the CHARMM22 force fieldthe structures are based on a total of 257 restraints, 211 are NOE-derived distance constraints, 24 dihedral angle restraints, 22 distance restraints from hydrogen bonds.XWINNMR
NMR Ensemble Information
Conformer Selection Criteriastructures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number30
Conformers Submitted Total Number18
Representative Model14 (closest to the average)
Additional NMR Experimental Information
DetailsThis structure was determined using standard 2D homonuclear techniques
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXWINNMR2.6Bruker
2data analysisGIFA4.22Delsuc
3refinementX-PLOR3.851Brunger
4refinementCHARMM22Brooks