Questions: Protein A Protein B Protein C Protein D

Protein A Protein B Protein C Protein D
Transcript text: Protein A Protein B Protein C Protein D
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Solution

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Solution Steps

Step 1: Analyze Protein A

Protein A has an N-terminal amino acid represented by the open circle, a KDEL motif represented by the filled star, an N-terminal start transfer sequence represented by the dark green rectangle, and a C-terminal amino acid represented by the open square.

Step 2: Analyze Protein B

Protein B has an N-terminal amino acid, an N-terminal start transfer sequence, and a C-terminal amino acid.

Step 3: Analyze Protein C

Protein C has an N-terminal amino acid, a KDEL motif, and a C-terminal amino acid.

Final Answer:

Protein A and B will be inserted into the ER membrane with their N-terminus in the ER lumen. Protein A will be retrieved from the Golgi due to the KDEL sequence. Protein C will be secreted. Protein D is cytosolic and does not enter the ER.

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