Wouters, J Acid proteases from the yolk and the yolk-sac of the hen's egg. Purification, properties and identification as cathepsin D. [electronic resource] - The International journal of biochemistry 1985 - 405-13 p. digital Publication Type: Journal Article ISSN: 0020-711X Standard No.: 10.1016/0020-711x(85)90218-6 doi Subjects--Topical Terms: AnimalsAspartic Acid EndopeptidasesCathepsin D--analysisChickensEgg Yolk--analysisEndopeptidases--isolation & purificationFemaleIsoelectric FocusingMolecular WeightTemperatureYolk Sac--enzymology