GO:0004888	F	1.00	transmembrane signaling receptor activity
GO:0004984	F	0.76	olfactory receptor activity
GO:1901363	F	0.38	heterocyclic compound binding
GO:0097159	F	0.38	organic cyclic compound binding
GO:0035639	F	0.35	purine ribonucleoside triphosphate binding
GO:0032555	F	0.35	purine ribonucleotide binding
GO:0032550	F	0.35	purine ribonucleoside binding
GO:0005549	F	0.28	odorant binding
GO:0005524	F	0.19	ATP binding
GO:0005525	F	0.17	GTP binding
GO:0005198	F	0.17	structural molecule activity
GO:0032947	F	0.13	protein complex scaffold
