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MINIMAL CONFORMATION OF THE ALPHA-CONOTOXIN IMI FOR THE ALPHA7 NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR RECOGNITION
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 NOESY 5-6 mM alpha-ImI; 90 % H2O, 10 % D2O; 0.1 M potassium phosphate buffer pH 5.8 90 % H2O, 10 % D2O; 0.1 M potassium phosphate buffer pH 5.8 0.1 5.8 ambient 278 2 DQF-COSY 5-6 mM alpha-ImI; 90 % H2O, 10 % D2O; 0.1 M potassium phosphate buffer pH 5.8 90 % H2O, 10 % D2O; 0.1 M potassium phosphate buffer pH 5.8 0.1 5.8 ambient 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500
NMR Refinement Method Details Software The structures were generated using the force fields parallhdg.pro and CHARMM22 of X-PLOR. XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 60 Conformers Submitted Total Number 30 Representative Model 7 (closest to the average)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 2.5 Bruker 2 data analysis Gifa 4.22 Delsuc 3 refinement X-PLOR 3.851 Brunger