A. Predict the membrane orientation of a protein that is synthesized with an un cleaved, internal signal

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A. Predict the membrane orientation of a protein that is synthesized with an un cleaved, internal signal sequence (shown as the red start-transfer sequence in Figure 15–17) but does not contain a stop-transfer sequence.


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B. Similarly, predict the membrane orientation of a protein that is synthesized with an N-terminal cleaved signal sequence followed by a stop-transfer sequence, followed by a start-transfer sequence.


C. What arrangement of signal sequences would enable the insertion of a multipass protein with an odd number of transmembrane segments?

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Essential Cell Biology

ISBN: 9780393680362

5th Edition

Authors: Bruce Alberts, Karen Hopkin, Alexander Johnson, David Morgan, Martin Raff, Keith Roberts, Peter Walter

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