IC50: 4.0 μM (UBA5), 78.5 μM (UAE), 66.8 μM (NAE)[1]
UBA5-IN-1 (compound 8.5) is a selective UBA5 inhibitor with an IC50 value of 4.0 μM. UBA5-IN-1 inhibits cell proliferation of Sk-Luci6 Showed selective anti-proliferative activity for Sk-Luci6 cancer cells which expressed higher UBA5 protein levels, but showed no anti-proliferative activity to MRC9 lung fibroblasts and A549 carcinoma cells.
[1]. da Silva SR, et al. A selective inhibitor of the UFM1-activating enzyme, UBA5. Bioorg Med Chem Lett. 2016 Sep 15;26(18):4542-4547.
















