GO:0004871
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signal transducer activity
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Conveys a signal across a cell to trigger a change in cell function or state. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response. |
GO:0004872
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receptor activity
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Combining with an extracellular or intracellular messenger to initiate a change in cell activity. |
GO:0004930
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G-protein coupled receptor activity
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Combining with an extracellular signal and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex. |
GO:0004888
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transmembrane signaling receptor activity
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Combining with an extracellular or intracellular signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity. |
GO:0003674
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molecular_function
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Elemental activities, such as catalysis or binding, describing the actions of a gene product at the molecular level. A given gene product may exhibit one or more molecular functions. |
GO:0038023
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signaling receptor activity
|
Receiving a signal and transmitting the signal in the cell to initiate a change in cell activity. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response. |
GO:0060089
|
molecular transducer activity
|
The molecular function that accepts an input of one form and creates an output of a different form. |
GO:0001634
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pituitary adenylate cyclase-activating polypeptide receptor activity
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A G-protein coupled receptor that interacts with pituitary adenylate cyclase-activating polypeptide. |