Absence of Evidence for Metabolite-Modulated Association between α-Glycerol-3-phosphate Dehydrogenase and l-Lactate Dehydrogenase

Evidence for the NADH-modulated formation of a complex between α-glycerol-3-phosphate dehydrogenase and l-lactate dehydrogenase was reported [Yong, H., Thomas, G. A., and Peticolas, W. L. (1993) Biochemistry 32, 11124−11131]. This NADH-modulated association suggested a mechanism of potentially great...

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Veröffentlicht in:Biochemistry (Easton) 2003-05, Vol.42 (20), p.6259-6263
Hauptverfasser: Lehoux, Eric A., Baker, Sharon M., Kovina, Marina V., Hays, Franklin A., Spivey, H. Olin
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container_end_page 6263
container_issue 20
container_start_page 6259
container_title Biochemistry (Easton)
container_volume 42
creator Lehoux, Eric A.
Baker, Sharon M.
Kovina, Marina V.
Hays, Franklin A.
Spivey, H. Olin
description Evidence for the NADH-modulated formation of a complex between α-glycerol-3-phosphate dehydrogenase and l-lactate dehydrogenase was reported [Yong, H., Thomas, G. A., and Peticolas, W. L. (1993) Biochemistry 32, 11124−11131]. This NADH-modulated association suggested a mechanism of potentially great importance to enzyme modulation and the controversial phenomena of direct NADH channeling. In the present paper, we reproduce with additional controls the experiments described by Yong et al. ((1993) Biochemistry 32, 11124−11131). Our results conclusively demonstrate the absence of detectable association between α-glycol-3-phosphate dehydrogenase and l-lactate dehydrogenase.
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subjects Animals
Chromatography, Gel - methods
Glycerolphosphate Dehydrogenase - chemistry
Glycerolphosphate Dehydrogenase - metabolism
In Vitro Techniques
L-Lactate Dehydrogenase - chemistry
L-Lactate Dehydrogenase - metabolism
Macromolecular Substances
NAD - chemistry
NAD - metabolism
Rabbits
Sus scrofa
title Absence of Evidence for Metabolite-Modulated Association between α-Glycerol-3-phosphate Dehydrogenase and l-Lactate Dehydrogenase
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