Glowing and metabolism: two sided of the same enzyme. Firefly luciferase does two jobs, it uses ATP and oxygen to produce light, which is an oxidizing luciferin, but it can also act as a fatty Acyl-CoA synthesis. This links light making enzymes and metabolism together! #scicomm #sciencefacts #science #sciants #sciencenews #STEMEducation #STEMLearning #sciencecommunication #scicomm #scienceexperiments | SciAnts
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SOLVED: The enzyme called luciferase catalyzes the reaction that allows fireflies to emit light The first step in this reaction involves the substrate compound called luciferin , reacting with ATP. The luciferase enzyme has been crystallized bound to the product of this one-step reaction, as shown in the Pymol diagram below. (Dotted lines indicate stabilizing interactions between active site residues and the product:)HO_COzGln338luciferinNote:Lys529Blue nitrogen Red oxygen Orange sulfur or phos
SOLVED: The enzyme called luciferase catalyzes the reaction t…
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Okay, in a nutshell: Fireflies glow thanks to a chemical reaction between luciferin, the enzyme luciferase, ATP, and oxygen ✨ The enzyme binds luciferin and ATP, then oxygen swoops in to oxidize it—releasing energy as visible light instead of heat! All happening inside specialized cells called photocytes in the firefly’s abdomen. There are a bunch of extra layers of complexity here (enzymes, intermediates, nitric oxide signaling, mitochondria playing oxygen traffic cop, etc.), but this is the gi
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