Y1BFP Protein

Y1BFP, a blue fluorescence protein from Vibro fischeri Y1, was characterized to be responsible for the blue bioluminescence emission from Photobacterium phosphoreum (1). The Y1BFP, as a bound fluorophore, can bind with riboflavin, 6, 7-dimethyl-8-ribityllumazine (lumazine), and 6-methyl-7-oxo-8-ribityllumazine without riboflavin-synthase activity (2).