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Biochemical and immunological analysis of an abundant form of glutathione S-transferase, in mouse testis

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Abstract

One of the major forms of glutathione S-transferase (designated as Ft transferase) has been identified and purified to near homogeneity from mouse testis. The purification was achieved by ammonium sulfate fractionation, DEAE cellulose chromatography, hydroxylapatite chromatography and the preparative isoelectric focusing. Purified Ft transferase has an isoelectric point of 4.9 ± 0.3 and was shown to be a homodimer with a native molecular weight of about 50 000.

Immunologically, antisera to Ft transferase do not crossreact with F2 or F3 transferase. However, a weak cross reactivity was observed between the antisera to F3 transferase and Ft transferase. Biochemical properties of purified Ft transferase are similar to those transferases isolated from mouse liver. Tissue distributions of the multiple forms of glutathione S-transferase were examined by column isoelectric focusing of various mouse tissue homogenates. It was found that mouse Ft transferase is present only in testis as a major form and in brain as a minor form, but not in other tissues that were examined.

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Authors and Affiliations

  1. Andrology Laboratory, Department of Obstetrics and Gynaecology, Acute Care Hospital, The University of British Columbia, V6T 2 B5, Vancouver, B.C., Canada

    Chi-Yu Gregory Lee

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  1. Chi-Yu Gregory Lee
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Lee, CY.G. Biochemical and immunological analysis of an abundant form of glutathione S-transferase, in mouse testis. Mol Cell Biochem 49, 161–168 (1982). https://doi.org/10.1007/BF00231178

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  • DOI: https://doi.org/10.1007/BF00231178

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