Figure 13.21. Sequence Relationships of Ion Channels.

Figure 13.21Sequence Relationships of Ion Channels

Like colors indicate structurally similar regions of the sodium, calcium, and potassium channels. These channels exhibit approximate fourfold symmetry.

From: Section 13.5, Specific Channels Can Rapidly Transport Ions Across Membranes

Cover of Biochemistry
Biochemistry. 5th edition.
Berg JM, Tymoczko JL, Stryer L.
New York: W H Freeman; 2002.
Copyright © 2002, W. H. Freeman and Company.

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