obsolete signal transducer activity (obsolete GO:0004871)
OBSOLETE. 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.
hematopoietin/interferon-class (D200-domain) cytokine receptor signal transducer activity
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quorum sensing response regulator activity
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quorum sensing signal generator activity
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