Suppose you are studying the insertion of a transmembrane protein into the lipid

Question

Suppose you are studying the insertion of a transmembrane protein into the lipid bilayer. There are "start" sequences (or signal sequences) which initiate the start of insertion into the ER membrane, and there are also "stop" sequences which halt the insertion into the ER. Consider an mRNA that has the following organization: 5'--AUG----47 codons----start sequence----72 codons----stop sequence-- --30 codons---start sequence---96 codons---UAG--3' If the start and stop sequences are each 30 amino acids in length, how long is the completed protein?

Explanation / Answer

Ans: the protein length is 24 amino acids

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