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- n. A blue phycobilin present in the phycobiliproteins allophycocyanin and phycocyanin, of which it is the terminal acceptor of energy.
Sorry, no etymologies found.
Although the phycocyanobilin (PCB) chromophore is attached to Cys-259 as expected, paralleling the situation in plant phytochromes but contrasting to that in bacteriophytochromes, the
Structures of the substrate complex were solved at 1.8 - and 2. 1-Å resolution and of the substrate-free form at 1. 55-Å resolution. to the structure of phycocyanobilin: ferredoxin oxidoreductase