GO:0043169	F	0.65	cation binding
GO:0060089	F	0.41	molecular transducer activity
GO:1901363	F	0.21	heterocyclic compound binding
GO:0097159	F	0.21	organic cyclic compound binding
GO:0046872	F	0.18	metal ion binding
GO:0003824	F	0.16	catalytic activity
GO:0035639	F	0.12	purine ribonucleoside triphosphate binding
GO:0032555	F	0.12	purine ribonucleotide binding
GO:0032550	F	0.12	purine ribonucleoside binding
