題組內容

 6. Pseudomonas toxin will transfer from the Golgi apparatus to the endoplasmic reticulum in mammalian cells. The C-terminal 24 amino acids of the B subunit of Pseudomonas toxin are shown below: (6%)
KEQAISALPD YASQPGKKPPR KDEL

A) From inspection of these sequences, what is the most likely targeting receptor responsible for the transfer of Pseudomonas toxin from the Golgi apparatus to the endoplasmic reticulum?