Table 2. List of compounds selected from virtual screening and tested against OASS-B.

Compound	Specs code	Kd (µM)
13	AK-564/25068019	33±2
14	AI-204/34859016	810±110
15	AP-402/41884919	>1500
16	AG-664/25098006	>1500
17	AH-262/34614012	>1500
18	AC-776/15493018	>1500
19	AE-848/08323031	>1500
20*	AG-690/12134163	n.d.
21	AG-205/34690008	>1500
22	AO-080/42837941	> 1500
23	AK-968/41172226	>1500

^*due to the strong emission at 500 nm for excitation at 412 nm, this compound was assayed at concentrations lower than 100 µM and no binding was observed.