Permeabilization of yeast cells: application to study on the regulation of AMP deaminase activity in situ.

作者: Keiko Murakami , Hiroshi Nagura , Masataka Yoshino

DOI: 10.1016/0003-2697(80)90479-0

关键词: In vitroEnzymeYeastAMP deaminaseIntracellularSaccharomyces cerevisiaeAllosteric regulationBiologyAMP deaminase activityBiochemistry

摘要: Abstract A permeabilization method which allows the assay of several intracellular enzymes within boundaries yeast cell wall is described. Toluene treatment was found to make cells completely permeable exogenous substrates, and did not leak out treated cells. This also compared with techniques reported previously. Electron microscopic examination toluene-treated indicated that they were essentially intact. The kinetic properties AMP deaminase, examined in permeabilized cells, including allosteric regulation by polyamine Zn2+, suggest some differences protein interactions for deaminase situ vitro.

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