MSC1094308 is a reversible and allosteric inhibitor of the type II AAA ATPase human ubiquitin-directed unfoldase (VCP)/p97 and the type I AAA ATPase VPS4B, with IC50 values of 0.71 μM and 7.2 μM for VPS4B and p97, respectively.
NMS-859 is a potent, covalent VCP (p97) inhibitor, with IC50s of 0.37 and 0.36 μM for wild-type VCP in the presence of 60 μM and 1 mM ATP in cells, respectively.
