Article
Structural basis for hydration dynamics in radical stabilization of bilin reductase mutants.
Biochemistry - 27 Jul 2010
Kohler Amanda C, Gae David D, Richley Michael A, Stoll Stefan, Gunn Alexander, Lim Sunghyuk, Martin Shelley S, Doukov Tzanko I, Britt R David, Ames James B, Lagarias J Clark, Fisher Andrew J
Abstract excerpt
Heme-derived linear tetrapyrroles (phytobilins) in phycobiliproteins and phytochromes perform critical light-harvesting and light-sensing roles in oxygenic photosynthetic organisms. A key enzyme in their biogenesis, phycocyanobilin:ferredoxin oxidoreductase (PcyA), catalyzes the overall four-electron reduction of biliverdin IXalpha to phycocyanobilin--the common chromophore precursor for both classes of...
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