Examples of the action of transmembrane proteins
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Examples of the action of transmembrane proteins
Transporters carry a molecule (such as glucose) from one side of the plasma membrane to the other. Receptors can bind an extracellular molecule (triangle), and this activates an intracellular process. Enzymes in the membrane can do the same thing they do in the cytoplasm of a cell: transform a molecule into another form. Anchor proteins can physically link intracellular structures with extracellular structures.
This image is linked to the following Scitable pages:
Protein surfaces are designed for interaction. Learn how proteins can bind and release other molecules as they carry out many different roles in cells.
There are many different kinds of membranes in a cell. Learn how they subdivide sections of a cell and how proteins in these membranes are gatekeepers for what goes in and what comes out.
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