GO:0004872	F	0.98	receptor activity
GO:0004871	F	0.98	signal transducer activity
GO:0004888	F	0.97	transmembrane signaling receptor activity
GO:0004930	F	0.89	G-protein coupled receptor activity
GO:0097159	F	0.25	organic cyclic compound binding
GO:0008528	F	0.25	G-protein coupled peptide receptor activity
GO:0003824	F	0.22	catalytic activity
GO:1901363	F	0.20	heterocyclic compound binding
GO:0009881	F	0.19	photoreceptor activity
GO:0008020	F	0.18	G-protein coupled photoreceptor activity
GO:0043167	F	0.16	ion binding
GO:0042277	F	0.16	peptide binding
GO:0046872	F	0.15	metal ion binding
GO:0008188	F	0.15	neuropeptide receptor activity
GO:0008227	F	0.13	G-protein coupled amine receptor activity
GO:0036094	F	0.12	small molecule binding
