Conformational changes of bovine β-trypsin and trypsinogen induced by divalent ions: An energy-dispersive X-ray diffraction and functional study

The radius of gyration ( R g) of bovine trypsinogen and β-trypsin was measured by an energy-dispersive X-ray technique as a function of Ca 2+ or SO 4 2− concentration; these results have been supplemented with measurements of association equilibrium constants of Ca 2+ to its binding site(s) on both...

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