GO:0005102	F	0.97	receptor binding
GO:0005160	F	0.94	transforming growth factor beta receptor binding
GO:0005125	F	0.81	cytokine activity
GO:0033612	F	0.41	receptor serine/threonine kinase binding
GO:0070696	F	0.40	transmembrane receptor protein serine/threonine kinase binding
GO:0070700	F	0.37	BMP receptor binding
GO:0097159	F	0.21	organic cyclic compound binding
GO:1901363	F	0.20	heterocyclic compound binding
GO:0005114	F	0.20	type II transforming growth factor beta receptor binding
GO:0042802	F	0.19	identical protein binding
GO:0034714	F	0.18	type III transforming growth factor beta receptor binding
GO:0003824	F	0.17	catalytic activity
GO:0097367	F	0.15	carbohydrate derivative binding
GO:0046983	F	0.15	protein dimerization activity
GO:0004871	F	0.15	signal transducer activity
GO:0016740	F	0.14	transferase activity
GO:0003676	F	0.13	nucleic acid binding
GO:0042803	F	0.12	protein homodimerization activity
GO:0034713	F	0.11	type I transforming growth factor beta receptor binding
GO:0004672	F	0.11	protein kinase activity
