GO:0046872	F	0.52	metal ion binding
GO:0003824	F	0.29	catalytic activity
GO:0016787	F	0.23	hydrolase activity
GO:0004872	F	0.23	receptor activity
GO:0005102	F	0.20	receptor binding
GO:0008237	F	0.13	metallopeptidase activity
GO:0008270	F	0.12	zinc ion binding
GO:0015075	F	0.11	ion transmembrane transporter activity
