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  • Title: Glycerol metabolism in higher plants: glycerol kinase.
    Author: Sadava D, Moore K.
    Journal: Biochem Biophys Res Commun; 1987 Mar 30; 143(3):977-83. PubMed ID: 3032191.
    Abstract:
    Glycerol kinase activity was identified in extracts of higher plant seeds and seedlings, and was partially purified and characterized from cucumber radicle tissue. The enzyme was localized in the post-mitochondrial supernatant of the cell, and catalyzed the formation of glycerol-3-phosphate. The pH optiumum was 9.0. ATP, CTP, GTP or UTP could be used as the phosphoryl group donor. The Km for glycerol was 55 microM and Km values for the nucleoside triphosphates were 145-620 microM. The Vmax for the reaction was 40-78 pmol product per min. Kinetic data indicate that the enzyme has a sequential mechanism.
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