Reference: Orstan A and Gafni A (1990) Enhanced proteolysis of glucose-6-phosphate dehydrogenase in the presence of palmitoyl coenzyme A. Biochem Int 21(5):915-21

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Abstract


Palmitoyl coenzyme A at concentrations below its critical micelle concentration increases the rate of proteolysis of baker's yeast glucose-6-phosphate dehydrogenase by proteinase A in the pH range 4-5. both glucose-6-phosphate and NADP protect glucose-6-phosphate dehydrogenase against proteolysis, but these protective effects are diminished in the presence of palmitoyl coenzyme A. Since palmitoyl coenzyme A is known to dissociate glucose-6-phosphate dehydrogenase into dimers, the results imply that the in vivo half life of glucose-6-phosphate dehydrogenase may be controlled by a process based on the regulation of the oligomeric structure of the enzyme by the collective actions of various molecules, including palmitoyl coenzyme A.

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Journal Article | Research Support, Non-U.S. Gov't | Research Support, U.S. Gov't, Non-P.H.S.
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Orstan A, Gafni A
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