GO:0004872	F	0.98	receptor activity
GO:0004888	F	0.97	transmembrane signaling receptor activity
GO:0004930	F	0.77	G-protein coupled receptor activity
GO:0097159	F	0.22	organic cyclic compound binding
GO:0008528	F	0.21	G-protein coupled peptide receptor activity
GO:1901363	F	0.16	heterocyclic compound binding
GO:0009881	F	0.16	photoreceptor activity
GO:0008020	F	0.15	G-protein coupled photoreceptor activity
GO:0043167	F	0.14	ion binding
GO:0042277	F	0.14	peptide binding
GO:0008227	F	0.14	G-protein coupled amine receptor activity
GO:0003824	F	0.14	catalytic activity
GO:0004984	F	0.13	olfactory receptor activity
GO:0046872	F	0.12	metal ion binding
GO:0036094	F	0.11	small molecule binding
GO:0008188	F	0.11	neuropeptide receptor activity
