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Diperoxovanadate participates in peroxidation reactions of H2O2 in presence of abundant catalase

Rao, Aparna VS and Ravishankar, HN and Ramasarma, T (1998) Diperoxovanadate participates in peroxidation reactions of H2O2 in presence of abundant catalase. In: Biochimica et Biophysica Acta (BBA) - General Subjects, 1381 (2). pp. 249-255.

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Abstract

Vanadate forms a stable complex with H2O2 at pH 7.0 in competition with catalase and the product, diperoxovanadate, resists scavenger action of catalase. Diperoxovanadate can act as a substrate in a H2O2-user reaction, horseradish peroxidase and can take the place of H2O2 far more effectively in oxidatively inactivating glyceraldehyde-3-phosphate dehydrogenase. By forming peroxo-complexes vanadate can provide a way of preserving cellular H2O2 in presence of abundant catalase and make it available for its functions

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: vanadate;catalase;H2O2;diperoxovanadate.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 20 Mar 2009 06:31
Last Modified: 19 Sep 2010 05:01
URI: http://eprints.iisc.ernet.in/id/eprint/18399

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