GO:0046872	F	0.61	metal ion binding
GO:1901363	F	0.56	heterocyclic compound binding
GO:0097159	F	0.56	organic cyclic compound binding
GO:0005506	F	0.48	iron ion binding
GO:0003824	F	0.46	catalytic activity
GO:0020037	F	0.42	heme binding
GO:0004129	F	0.42	cytochrome-c oxidase activity
GO:0005507	F	0.32	copper ion binding
GO:0003676	F	0.23	nucleic acid binding
GO:0005509	F	0.15	calcium ion binding
GO:0003723	F	0.13	RNA binding
GO:0004871	F	0.12	signal transducer activity
GO:0030971	F	0.11	receptor tyrosine kinase binding
