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A transmembrane receptor is a biological receptor? (a protein) that passes at least once through a biological membrane (so-called integral membrane proteins). This can be the plasma membrane of a cell, or a membrane of an organelle in eukaryotes. Transmembrane receptors are used to recognize a specific signal on one side of the membrane, then relaying it through the membreane, without the original signal itself having to pass through the membrane. They play an important role in signal transduction. Many transmembrane receptors are dimer?s or oligomer?s, or become such once activated. A transmembrane receptor usually consists of three parts or domains. |
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A transmembrane receptor is a biological receptor? (a protein) that passes at least once through a biological membrane (so-called integral membrane proteins). This can be the plasma membrane of a cell, or a membrane of an organelle in eukaryotes. Transmembrane receptors are used to recognize a specific signal on one side of the membrane, then relaying it through the membreane, without the original signal itself having to pass through the membrane. They play an important role in signal transduction. Many transmembrane receptors are dimer?s or oligomer?s, or become such once activated. A transmembrane receptor usually consists of three parts or domains. http://meta.wikipedia.com/upload/transmembrane_receptor.png E=extracellular space; I=intracellular space; P=plasma membrane (image in the PD) |
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