GO:0004888	F	0.99	transmembrane signaling receptor activity
GO:0004930	F	0.89	G-protein coupled receptor activity
GO:0008528	F	0.59	G-protein coupled peptide receptor activity
GO:0008188	F	0.43	neuropeptide receptor activity
GO:0042277	F	0.42	peptide binding
GO:0005102	F	0.35	receptor binding
GO:0008227	F	0.31	G-protein coupled amine receptor activity
GO:0004985	F	0.31	opioid receptor activity
GO:0022836	F	0.29	gated channel activity
GO:0005216	F	0.29	ion channel activity
GO:0004977	F	0.29	melanocortin receptor activity
GO:0097159	F	0.28	organic cyclic compound binding
GO:0042802	F	0.28	identical protein binding
GO:0022843	F	0.28	voltage-gated cation channel activity
GO:0008092	F	0.28	cytoskeletal protein binding
GO:0005262	F	0.28	calcium channel activity
GO:0098772	F	0.27	molecular function regulator
GO:0099589	F	0.26	serotonin receptor activity
GO:0030234	F	0.26	enzyme regulator activity
GO:0003824	F	0.26	catalytic activity
GO:1901363	F	0.25	heterocyclic compound binding
GO:0030695	F	0.25	GTPase regulator activity
GO:0030594	F	0.25	neurotransmitter receptor activity
GO:0008047	F	0.25	enzyme activator activity
GO:0043176	F	0.24	amine binding
GO:0043169	F	0.24	cation binding
GO:0016787	F	0.24	hydrolase activity
GO:0001965	F	0.24	G-protein alpha-subunit binding
GO:0099528	F	0.23	G-protein coupled neurotransmitter receptor activity
GO:0046983	F	0.23	protein dimerization activity
GO:0015464	F	0.23	acetylcholine receptor activity
GO:0070405	F	0.22	ammonium ion binding
GO:0046982	F	0.22	protein heterodimerization activity
GO:0042165	F	0.22	neurotransmitter binding
GO:0004553	F	0.21	hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0001664	F	0.21	G-protein coupled receptor binding
GO:0046872	F	0.20	metal ion binding
GO:0008144	F	0.20	drug binding
GO:0001595	F	0.19	angiotensin receptor activity
GO:0020037	F	0.18	heme binding
GO:0009055	F	0.18	electron carrier activity
GO:0005506	F	0.18	iron ion binding
GO:0004984	F	0.18	olfactory receptor activity
GO:0042923	F	0.13	neuropeptide binding
