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Dissociation of proteinase-inhibitor complexes by trichloroacetate

โœ Scribed by Gary L. Gustafson; Donald J. Finn; Kamiar Moin


Book ID
102630221
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
262 KB
Volume
169
Category
Article
ISSN
0003-2697

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โœฆ Synopsis


It was demonstrated that the addition of high concentrations of the chaotrope, sodium trichloroacetate, to proteinase assays provided for a dissociation of proteinase-inhibitor complexes. The complexes evaluated contained a heat-stable, polypeptide inhibitor of cysteine proteinases isolated from the cellular slime mold, Dictyostelium discoideum. The proteinases that were present in separate complexes included either D. discoideum proteinases or the plant proteinase papain. The general assay procedures described may be useful in detection of endogenous proteinase-inhibitor complexes in many systems.


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