Subcellular Localization and Possible Functions of [gamma]-Glutamyltransferase in the Radish (Raphanus sativus L.) Plant

Previously we reported the purification of soluble γ-glutamyltransferases (GGTs) from radish cotyledon. Subcellular fractionation of radish cells revealed that soluble GGT is a vacuolar enzyme. Acivicin, a GGT inhibitor, mediated the in vivo catabolism inhibition of the glutathione S-conjugate gener...

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Bibliographic Details
Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2006-07, Vol.70 (7), p.1790
Main Authors: NAKANO, Yoshihiro, OKAWA, Satoshi, PRIETO, Rafael, SEKIYA, Jiro
Format: Article
Language:English
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Summary:Previously we reported the purification of soluble γ-glutamyltransferases (GGTs) from radish cotyledon. Subcellular fractionation of radish cells revealed that soluble GGT is a vacuolar enzyme. Acivicin, a GGT inhibitor, mediated the in vivo catabolism inhibition of the glutathione S-conjugate generated from endogenous glutathione and exogenously supplied monochlorobimane. Thus soluble GGT is possibly involved in the catabolism of glutathione S-conjugates.
ISSN:0916-8451
1347-6947