GO:0003824	F	0.97	catalytic activity
GO:0016491	F	0.96	oxidoreductase activity
GO:1901363	F	0.84	heterocyclic compound binding
GO:0097159	F	0.84	organic cyclic compound binding
GO:0048037	F	0.79	cofactor binding
GO:0050662	F	0.78	coenzyme binding
GO:0036094	F	0.77	small molecule binding
GO:0000166	F	0.76	nucleotide binding
GO:0050660	F	0.72	flavin adenine dinucleotide binding
GO:0071949	F	0.67	FAD binding
GO:0046857	F	0.56	oxidoreductase activity, acting on other nitrogenous compounds as donors, with NAD or NADP as acceptor
GO:0008940	F	0.56	nitrate reductase activity
GO:0009703	F	0.48	nitrate reductase (NADH) activity
GO:0043167	F	0.24	ion binding
GO:0046872	F	0.20	metal ion binding
GO:0016667	F	0.18	oxidoreductase activity, acting on a sulfur group of donors
GO:0008482	F	0.16	sulfite oxidase activity
GO:0046914	F	0.15	transition metal ion binding
GO:0017076	F	0.14	purine nucleotide binding
GO:0035639	F	0.13	purine ribonucleoside triphosphate binding
GO:0032555	F	0.13	purine ribonucleotide binding
GO:0032550	F	0.13	purine ribonucleoside binding
GO:0030554	F	0.12	adenyl nucleotide binding
GO:0005524	F	0.11	ATP binding
