GO:0004872	F	0.98	receptor activity
GO:0004888	F	0.97	transmembrane signaling receptor activity
GO:0004930	F	0.96	G-protein coupled receptor activity
GO:0008528	F	0.54	G-protein coupled peptide receptor activity
GO:0042277	F	0.29	peptide binding
GO:0008188	F	0.25	neuropeptide receptor activity
GO:0042923	F	0.19	neuropeptide binding
GO:0005102	F	0.17	receptor binding
GO:0097159	F	0.12	organic cyclic compound binding
