GO:0046872	F	0.45	metal ion binding
GO:0005102	F	0.43	receptor binding
GO:0005179	F	0.35	hormone activity
GO:0042803	F	0.13	protein homodimerization activity
GO:0051539	F	0.12	4 iron, 4 sulfur cluster binding
GO:0005506	F	0.12	iron ion binding
