hematopoietin/interferon-class (D200-domain) cytokine receptor signal transducer activity, quorum sensing response regulator activity, quorum sensing signal generator activity
GO:0005062, GO:0009370, GO:0009369
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. Source: GOC:go_curators
This term was obsoleted because it was not clearly defined and is not a useful grouping term.