GO:0004860	F	0.90	protein kinase inhibitor activity
GO:0004871	F	0.44	signal transducer activity
GO:0004872	F	0.43	receptor activity
GO:0004888	F	0.42	transmembrane signaling receptor activity
GO:0038131	F	0.40	neuregulin receptor activity
GO:0097159	F	0.39	organic cyclic compound binding
GO:1901363	F	0.38	heterocyclic compound binding
GO:0097367	F	0.28	carbohydrate derivative binding
GO:0000166	F	0.28	nucleotide binding
GO:0032555	F	0.27	purine ribonucleotide binding
GO:0032550	F	0.27	purine ribonucleoside binding
GO:0035639	F	0.26	purine ribonucleoside triphosphate binding
GO:0003824	F	0.18	catalytic activity
GO:0032561	F	0.14	guanyl ribonucleotide binding
GO:0032559	F	0.14	adenyl ribonucleotide binding
GO:0005525	F	0.13	GTP binding
GO:0005524	F	0.13	ATP binding
