GO:0050839	F	0.36	cell adhesion molecule binding
GO:0042802	F	0.36	identical protein binding
GO:0005102	F	0.33	receptor binding
GO:0004872	F	0.32	receptor activity
GO:0042803	F	0.27	protein homodimerization activity
GO:0097159	F	0.25	organic cyclic compound binding
GO:1901363	F	0.24	heterocyclic compound binding
GO:0022857	F	0.24	transmembrane transporter activity
GO:0015267	F	0.23	channel activity
GO:0046873	F	0.21	metal ion transmembrane transporter activity
GO:0015077	F	0.21	monovalent inorganic cation transmembrane transporter activity
GO:0005261	F	0.20	cation channel activity
GO:0005244	F	0.20	voltage-gated ion channel activity
GO:0005248	F	0.19	voltage-gated sodium channel activity
GO:0098772	F	0.17	molecular function regulator
GO:0036094	F	0.14	small molecule binding
GO:0017080	F	0.14	sodium channel regulator activity
GO:0032555	F	0.13	purine ribonucleotide binding
GO:0032550	F	0.13	purine ribonucleoside binding
GO:0005198	F	0.13	structural molecule activity
GO:0003824	F	0.13	catalytic activity
GO:0035639	F	0.11	purine ribonucleoside triphosphate binding
GO:0003676	F	0.11	nucleic acid binding
