GO:0003723	F	1.00	RNA binding
GO:0036094	F	0.34	small molecule binding
GO:1901681	F	0.24	sulfur compound binding
GO:0008658	F	0.23	penicillin binding
GO:0003824	F	0.17	catalytic activity
GO:0043167	F	0.16	ion binding
GO:0046872	F	0.15	metal ion binding
GO:0097367	F	0.14	carbohydrate derivative binding
GO:0000166	F	0.13	nucleotide binding
GO:0032555	F	0.12	purine ribonucleotide binding
GO:0032550	F	0.12	purine ribonucleoside binding
GO:0035639	F	0.11	purine ribonucleoside triphosphate binding
