GO:0004872	F	1.00	receptor activity
GO:0004888	F	0.99	transmembrane signaling receptor activity
GO:0004930	F	0.83	G-protein coupled receptor activity
GO:0008528	F	0.62	G-protein coupled peptide receptor activity
GO:0005102	F	0.54	receptor binding
GO:0001664	F	0.46	G-protein coupled receptor binding
GO:0046983	F	0.45	protein dimerization activity
GO:0001595	F	0.43	angiotensin receptor activity
GO:0004984	F	0.36	olfactory receptor activity
GO:0097159	F	0.35	organic cyclic compound binding
GO:1901363	F	0.32	heterocyclic compound binding
GO:0043169	F	0.30	cation binding
GO:0020037	F	0.29	heme binding
GO:0009055	F	0.29	electron carrier activity
GO:0005506	F	0.29	iron ion binding
GO:0008188	F	0.17	neuropeptide receptor activity
GO:0005549	F	0.14	odorant binding
GO:0042277	F	0.12	peptide binding
