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Journal Article

FruitFire: a luciferase based on a fruit fly metabolic enzyme

Authors : Adams Jr., Spencer T. (2023)

Firefly luciferase is homologous to fatty acyl-CoA synthetases from insects that are not bioluminescent. Here, we determined the crystal structure of the fruit fly fatty acyl-CoA synthetase CG6178 to 2.5 Å. Based on this structure, we mutated a steric protrusion in the active site to create the artificial luciferase FruitFire, which prefers the synthetic luciferin CycLuc2 to D-luciferin by >1000-fold. FruitFire enabled in vivo bioluminescence...