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Analyse des corps proteiques isols de Lablab purpureus (L.) Sweet: Localisation intracellulaire des globulines, protases et inhibiteurs de la trypsine by Marie-Nolle Mige; Jean-Michel Mascherpa; A. Royer-Spierer; A. Grange; J. Mige is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Analysis of Protein Bodies Isolated from Lablab purpureus (L.) Sweet: Intracellular Localisation of Globulins, Proteases and Trypsin Inhibitors Summary. Cotyledonary cells are submitted to fractionation by isopycnic centrifugation. Small intact protein bodies are collected in the densest zones (d= 1.205-1.237 g/cm3). Fragments of larger bodies are gathered in zones of lower density (d = 1.205 g/cm3). Small dense bodies are largely sedimentable after dilution, whereas fragments of the large bodies dissociate into a dense sedimentable clot and into floating elements which contain most of the globulins and all of the albumins. Among the dissociated floating components are the BAPA-active endopeptidases and the trypsin inhibitors (BAPA=c~-N-benzoyl-DL-arginine-p-nitroanilide). A caseolytic activity remains with the dense mass. The localisation of the albumins, globulins, proteases and trypsin inhibitors is discussed. Relations between solubility, structure and function are considered.

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Author

Marie-Nolle Mige; Jean-Michel Mascherpa; A. Royer-Spierer; A. Grange; J. Mige

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0032-0935)

Published

1976

Language

FR

Field

Agricultural and Biological Sciences (Life Sciences)