GO:0004872	F	0.53	receptor activity
GO:0004871	F	0.53	signal transducer activity
GO:0038023	F	0.49	signaling receptor activity
GO:0004888	F	0.48	transmembrane signaling receptor activity
GO:0043167	F	0.35	ion binding
GO:0046872	F	0.34	metal ion binding
GO:0019899	F	0.25	enzyme binding
GO:0032403	F	0.24	protein complex binding
GO:0005102	F	0.23	receptor binding
GO:0005178	F	0.16	integrin binding
GO:0042813	F	0.15	Wnt-activated receptor activity
GO:0005509	F	0.15	calcium ion binding
GO:0046914	F	0.12	transition metal ion binding
GO:1901363	F	0.11	heterocyclic compound binding
GO:0097159	F	0.11	organic cyclic compound binding
GO:0008270	F	0.11	zinc ion binding
GO:0003824	F	0.11	catalytic activity
