GO:0005102	F	0.98	receptor binding
GO:0005160	F	0.94	transforming growth factor beta receptor binding
GO:0005125	F	0.84	cytokine activity
GO:0033612	F	0.29	receptor serine/threonine kinase binding
GO:0070696	F	0.28	transmembrane receptor protein serine/threonine kinase binding
GO:0070700	F	0.24	BMP receptor binding
GO:1901363	F	0.18	heterocyclic compound binding
GO:0097159	F	0.18	organic cyclic compound binding
GO:0042802	F	0.17	identical protein binding
GO:0003824	F	0.16	catalytic activity
GO:0005114	F	0.15	type II transforming growth factor beta receptor binding
GO:0046983	F	0.14	protein dimerization activity
GO:0097367	F	0.13	carbohydrate derivative binding
GO:0034714	F	0.13	type III transforming growth factor beta receptor binding
GO:0004871	F	0.12	signal transducer activity
GO:0003676	F	0.12	nucleic acid binding
GO:0003677	F	0.11	DNA binding
