GO:0004930	F	1.00	G-protein coupled receptor activity
GO:0004984	F	0.39	olfactory receptor activity
GO:0097159	F	0.37	organic cyclic compound binding
GO:0008528	F	0.37	G-protein coupled peptide receptor activity
GO:0046914	F	0.33	transition metal ion binding
GO:0046906	F	0.33	tetrapyrrole binding
GO:0008188	F	0.33	neuropeptide receptor activity
GO:0008227	F	0.17	G-protein coupled amine receptor activity
GO:0005549	F	0.13	odorant binding
