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Solution structure of the homeodomain-only protein HOP
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1.5mM HOP; 50mM phosphate buffer; 0.5mM TCEP; pH 6.5-6.9, 90% H2O, 10% D2O 90% H2O/10% D2O 50mM phosphate 6.7 ambient 298 2 HNHA 1.0mM HOP U-15N; 50mM phosphate buffer; 0.5mM TCEP; pH 6.5-6.9, 90% H2O, 10% D2O 90% H2O/10% D2O 50mM phosphate 6.7 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600
NMR Refinement Method Details Software simulated annealing Structure is based on 783 NOEs, 144 TALOS-derived angle constraints, and 48 dihedral angle constraints derived from an HNHA. XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details This structure was determined using standard 2D and 3D homonuclear and triple resonance techniques.
Computation: NMR Software # Classification Version Software Name Author 1 processing XwinNMR 3.5 Bruker 2 data analysis XEASY 1 Guntert 3 refinement ARIA 1.1 Nilges