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3. You modify GDP (green fluorescent protein) to contain a signal sequence you believe is a novel ER import signal at the N-terminus and a stop transfer sequence 43 amino acids from the N terminal import signal. When this protein is expressed in cells, you see 70% GFP in the cytoplasm and the remainder in the ER. You assume GFP import is occurring. However you cannot rule out some GFP might not fold properly even though it is fluorescent, perhaps providing the 30% GFP "glow" in the cytoplasm.
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3. You modify GDP (green fluorescent protein) to contain a signal sequence you believe is a...
Scientists want to design fluorescent marker proteins for different cellular compartments using the Green Fluorescent Protein (GFP). This means that the GFP will be targeted and glow at the organelle of interest and they can use these to mark different organelles during fluorescence microscopy. To make these marker proteins, they take the sequence of GFP and add the desired sorting signal. A. GFP on its own is an excellent protein to use as an organelle marker protein because it is...
You want to make E. coli bacteria that glow green. Your plan is to insert the gene for green fluorescent protein (GFP) from a jellyfish (a eukaryote) into the genome of the bacteria so that the mRNA is transcribed by the E. coli cells and translated into protein. What changes do you need to make to the jellyfish GFP gene sequence to make sure that the bacteria will make a functional protein? Why? (1 point) A type of amatoxin binds...
Answer and explain why 27) Consider a protein that contains an ER signal sequence at its N-ter- minus and a nuclear localization se- quence in its middle. What do you think the fate of this protein would be? Briefly explain your answer