Resolution and reconstitution of spinach ferredoxin-NADP+ reductase |
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Authors: | G Bookjans A San Pietro P Böger |
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Affiliation: | Department of Biology Universität Konstanz 7750 Konstanz, Germany |
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Abstract: | The apoprotein from spinach ferredoxin-NADP+ reductase was prepared by treatment with 3 M calcium chloride. This procedure caused complete removal of the FAD prosthetic group together with considerable denaturation of the apoprotein. Thus, the recovery of total activity upon reconstitution with FAD was only 30%. More importantly, however, both transhydrogenase and diaphorase activities were 70% of that native enzyme based on bound flavin. The visible spectrum and properties of the reconstituted reductase were undiscernible from those of the native protein. |
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