GO:0004872	F	0.47	receptor activity
GO:0038023	F	0.44	signaling receptor activity
GO:0004888	F	0.43	transmembrane signaling receptor activity
GO:0042802	F	0.38	identical protein binding
GO:0046983	F	0.27	protein dimerization activity
GO:0008046	F	0.27	axon guidance receptor activity
GO:0042803	F	0.26	protein homodimerization activity
GO:0003823	F	0.23	antigen binding
GO:0003824	F	0.21	catalytic activity
GO:0042578	F	0.14	phosphoric ester hydrolase activity
GO:0005198	F	0.12	structural molecule activity
