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What is the typical role of a sorting receptor? A. it binds to the signal sequence...

What is the typical role of a sorting receptor?

A. it binds to the signal sequence of a protein and targets the protein for degradation.

B. It binds to the signal sequence of a protein and targets the protein to a machinery that moves the protein into a new location. *** I think this is the answer

C. It cleaves off the signal sequence

D. It binds the signal sequence only in the presence of ATP

E. It recognizes a hydrophobic patch within the protein

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Answer #1

Option B is the the correct answer.

The typical role of sorting receptor is to direct cargo proteins, such as kinases, phosphatases, and signaling receptors, to their correct location within the cell. Each mode of protein transfer is usually guided by the sorting signals in the transported protein, which are recognised by complementary sorting receptors. The function of sorting receptor is to recognise the sorting signal on the basis of the region of cell where the protein is targeted and to guide it to that region.

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