GO:0004872	F	1.00	receptor activity
GO:0004871	F	0.18	signal transducer activity
GO:0004888	F	0.16	transmembrane signaling receptor activity
GO:0003824	F	0.16	catalytic activity
GO:0097159	F	0.14	organic cyclic compound binding
GO:1901363	F	0.13	heterocyclic compound binding
GO:0043167	F	0.12	ion binding
GO:0046872	F	0.11	metal ion binding
