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NMR structure of 18 residue peptide from merp protein
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1.5 mM peptide; 20 mM Phosphate buffer pH=6.5;
1mM DTT. 10% D20, 90% H2O 6.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 500
NMR Refinement Method Details Software hybrid distance geometry/simulated annealing the structures are based on a total of 81 restraints, 77 are NOE-derived
distance constraints, 4 dihedral angle restraints. X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations Conformers Calculated Total Number 50 Conformers Submitted Total Number 10 Representative Model 10 (fewest violations)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR 3.840 Brunger 2 refinement X-PLOR 3.840 Brunger