GO:0005249	F	0.99	voltage-gated potassium channel activity
GO:0005251	F	0.35	delayed rectifier potassium channel activity
GO:1901363	F	0.19	heterocyclic compound binding
GO:0097159	F	0.19	organic cyclic compound binding
GO:0004872	F	0.19	receptor activity
GO:0015276	F	0.18	ligand-gated ion channel activity
GO:0000166	F	0.18	nucleotide binding
GO:0032553	F	0.17	ribonucleotide binding
GO:0032555	F	0.16	purine ribonucleotide binding
GO:0043855	F	0.13	cyclic nucleotide-gated ion channel activity
GO:0030551	F	0.12	cyclic nucleotide binding
GO:0005221	F	0.12	intracellular cyclic nucleotide activated cation channel activity
GO:0005222	F	0.11	intracellular cAMP activated cation channel activity
