name GO_0004871 namespace http://purl.org/obo/owl/GO# parent GO_0060089 child GO_0005057 child GO_0000156 child GO_0009927 child GO_0038023 hasAlternativeId [] GO:0009370 label [en] signal transducer activity comment [] Ligands do NOT have the molecular function 'signal transducer activity'. hasAlternativeId [] GO:0009369 hasOBONamespace [] molecular_function hasAlternativeId [] GO:0005062