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  • Title: [The special reaction of photophosphorylation using epsilon ADP--a fluorescent analog of ADP].
    Author: Tatarintsev NP, Makarov AD.
    Journal: Biokhimiia; 1982 Nov; 47(11):1928-31. PubMed ID: 6217848.
    Abstract:
    Photophosphorylation of epsilon ADP in a chloroplast synthetase system reconstituted with CF1 or with CF1 modified by covalently bound epsilon ADP has been studied. The reconstitution of EDTA-treated chloroplasts with CF1 restores the photophosphorylating activity to about 90%. When the CF1 modified by covalently bound epsilon ADP is used for reconstitution the photophosphorylating activity of EDTA-treated chloroplasts is restored to 37%. Based on the results of a photochemical study of the chloroplast ATP-synthetase system reconstituted with CF1 with covalently bound epsilon ADP it may be assumed that the substrate, adenine, participates in proton translocation to inorganic phosphate in the active center of the coupling enzyme during photophosphorylation.
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