GO:0005215	F	0.90	transporter activity
GO:0015267	F	0.89	channel activity
GO:0022829	F	0.81	wide pore channel activity
GO:0005243	F	0.68	gap junction channel activity
GO:0055077	F	0.26	gap junction hemi-channel activity
GO:1901363	F	0.19	heterocyclic compound binding
GO:0097159	F	0.19	organic cyclic compound binding
GO:0022892	F	0.14	substrate-specific transporter activity
GO:0015075	F	0.13	ion transmembrane transporter activity
GO:0043167	F	0.12	ion binding
GO:0046872	F	0.11	metal ion binding
