1983
DOI: 10.4310/jdg/1214509284
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A note on a counterexample of Delgado

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Cited by 3 publications
(4 citation statements)
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“…The data of the present paper suggest that enzymes may be bound to a variety of cellular structures including plasma membranes, mitochondrial membranes and F-actin (low speed pellet) and endoplasmic reticular membranes and tubulin (high speed .pellet). A large percentage of enzyme activity may also be free (high speed superda'tant) or bound in soluble enzyme complexes (24). These results show that a single type of multi-enzYme complex localized to a specific subcellutar structure does not exist in hepatopancreas cells.…”
Section: Biochemistryond Molecular Biology Internationalmentioning
confidence: 80%
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“…The data of the present paper suggest that enzymes may be bound to a variety of cellular structures including plasma membranes, mitochondrial membranes and F-actin (low speed pellet) and endoplasmic reticular membranes and tubulin (high speed .pellet). A large percentage of enzyme activity may also be free (high speed superda'tant) or bound in soluble enzyme complexes (24). These results show that a single type of multi-enzYme complex localized to a specific subcellutar structure does not exist in hepatopancreas cells.…”
Section: Biochemistryond Molecular Biology Internationalmentioning
confidence: 80%
“…It is important to know the subcellular distribution of glycolytic enzymes when evaluating metabolic models that relate changes in enzyme binding to changes in enzyme activity. These models propose the existence of large multi-enzyme complexes that may be bound to subcellular structures such as F-actin (2,3) or microtubules (14), or may exist freely in solution (see 24). Initial experiments on exercised and anoxic muscle tissue showed that particulate-bound enzymes apparently responded to changes in glycolytic flux (3,5).…”
Section: Discussionmentioning
confidence: 99%
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“…By contrast, Shiraki and collelagues (2) found that solubilization of rat muscle AMPD increased steadily with increasing exogenous KC1 up to 500 raM. A similar increase in the amount of soluble enzyme (decrease in bound enzyme) with increasing salt concentration has been noted for several glycolytic enzymes and fructose-l,6-bisphosphatase in extracts from fish muscle (1,(11)(12)(13)(14)(15). For these enzymes it was determined that electrostatic forces played a critical role in their binding with cellular structures and that binding was disrupted by Vol.…”
Section: Vol 43 No 3 1997mentioning
confidence: 84%