GO:0004872	F	0.49	receptor activity
GO:0038023	F	0.43	signaling receptor activity
GO:0004888	F	0.42	transmembrane signaling receptor activity
GO:0003824	F	0.38	catalytic activity
GO:0042802	F	0.36	identical protein binding
GO:0042803	F	0.27	protein homodimerization activity
GO:1901363	F	0.26	heterocyclic compound binding
GO:0097159	F	0.26	organic cyclic compound binding
GO:0097367	F	0.24	carbohydrate derivative binding
GO:0016740	F	0.23	transferase activity
GO:0004672	F	0.20	protein kinase activity
GO:0043167	F	0.19	ion binding
GO:0046872	F	0.18	metal ion binding
GO:0035639	F	0.18	purine ribonucleoside triphosphate binding
GO:0032555	F	0.18	purine ribonucleotide binding
GO:0032550	F	0.18	purine ribonucleoside binding
GO:0008046	F	0.18	axon guidance receptor activity
GO:0050839	F	0.17	cell adhesion molecule binding
GO:0003823	F	0.16	antigen binding
GO:0016787	F	0.14	hydrolase activity
GO:0005102	F	0.14	receptor binding
GO:0004713	F	0.14	protein tyrosine kinase activity
GO:0098772	F	0.13	molecular function regulator
GO:0044877	F	0.12	macromolecular complex binding
GO:0019838	F	0.12	growth factor binding
GO:0004714	F	0.12	transmembrane receptor protein tyrosine kinase activity
GO:0032403	F	0.11	protein complex binding
GO:0016788	F	0.11	hydrolase activity, acting on ester bonds
GO:0005524	F	0.11	ATP binding
GO:0005198	F	0.11	structural molecule activity
