Z-VA-DL-D-FMK (Z-VA-DL-D(OH)-FMK) is an inhibitor for caspase[1]. Z-VA-DL-D-FMK binds irreversibly to caspases, increases the sensitivity of TNF-α, and activates HIV replication in infected T cell ACH-2[1].
References
[1] Scheller C, et al., Caspase inhibition activates HIV in latently infected cells. Role of tumor necrosis factor receptor 1 and CD95. J Biol Chem. 2002 May 3;277(18):15459-64. DOI:10.1074/jbc.M200763200