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SOLUTION STRUCTURE AND BACKBONE DYNAMICS OF A CONCATEMER OF EGF-HOMOLOGY MODULES OF THE HUMAN LOW DENSITY LIPOPROTEIN RECEPTOR


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
1HNHA1.5mM EGF-A, 20mM CaCl295% H2O/5% D2O0.0605.5ambient310
22D NOESY1mM 15N-EGF-AB, 20mM CaCl295% H2O/5% D2O0.0605.5ambient310
32D NOESY1.5mM EGF-A, 20mM CaCl299% D2O0.0605.5ambient310
42D NOESY1mM EGF-AB, 20mM CaCl295% H2O/5% D2O0.0605.5ambient283
5DQF-COSY1mM EGF-AB, 20mM CaCl295% H2O/5% D2O0.0605.5ambient283
63D_15N-separated_NOESY1.5mM EGF-A, 20mM CaCl295% H2O/5% D2O0.0605.5ambient295
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDMX750
NMR Refinement
MethodDetailsSoftware
1. Torsion angles dynamics 2. Restrained molecular dynamics with calcium 3. Energy minimisationThe structures are based on: 874 NOE restraints, 64 phi dihedral angles, 14 chi1 dihedral angles, 14 hydrogen bonds, 9 calcium ion ligand restraintsXwinNMR
NMR Ensemble Information
Conformer Selection CriteriaEnergy minimised average structure from 30 selected structure with lowest energy
Conformers Calculated Total Number100
Conformers Submitted Total Number1
Additional NMR Experimental Information
Details15N T1, T2, and NOE relaxations to obtain backbone dynamics information T1/T2 data were not used for structure refinement
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXwinNMR2.6Bruker
2processingSparky3.95T. Goddard & D. G. Kneller
3structure solutionDYANA1.5P. Guntert
4refinementX-PLOR3.85A. Brunger
5data analysisMOLMOL2.6R. Koradi