title: Potentiometric titrations and conformational change.
mesh_terms: D005069:Evaluation Studies as Topic; D006863:Hydrogen-Ion Concentration; D008433:Mathematics; D010435:Pepsinogens; D011199:Potentiometry; D011487:Protein Conformation; D013696:Temperature; D013816:Thermodynamics
chemical_list: D010435:Pepsinogens