1N9U

Differences and Similarities in Solution Structures of Angiotensin I & II: Implication for Structure-Function Relationship


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
1DQF-COSY2.5 mM; DMSO-d6DMSO-d6ambient298
22D TOCSY2.5 mM; DMSO-d6DMSO-d6ambient298
32D NOESY2.5 mM; DMSO-d6DMSO-d6ambient298
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDPX400
NMR Refinement
MethodDetailsSoftware
simulated annealing, torsion angle dynamicsThis structure is based on a 225 NOE-derived distance constraints, 7 dihedral angle restraints, 1 distance restraint from hydrogen bondXwinNMR
NMR Ensemble Information
Conformer Selection Criteriatarget function for models 1-20, mean energy minimized for model 21
Conformers Calculated Total Number300
Conformers Submitted Total Number21
Representative Model21 (n/a)
Additional NMR Experimental Information
DetailsThis structure was determined using standard 2D homonuclear techniques. Models 1-20 are the family ensemble, while model 21 is the minimized average structure derived from that ensemble.
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXwinNMR2.6
2processingXwinNMR2.6
3data analysisXEASY1.3Tai-he Xia, Christian Bartels, Kurt Wuthtrich
4structure solutionDYANA1.5Peter Guntert, Christian Mumenthaler, Kurt Wuthrich
5refinementAmber5.0KOLLMAN, CASE, MERZ, CHEATHAM, SIMMERLING, DARDEN, PEARLMAN