RR-11a analog is a potent and selective asparaginyl endopeptidases (AE) (Legumain) inhibitors(IC50 values of 4.5 nM, 4.5 nM and 31 nM for AE1 in Trichomonas Vaginalis, AE in Ixodes ricinus and AE in Schistosoma mansoni, respectively).

Nemolizumab (CIM331) is a humanized monoclonal antibody targeting the human interleukin-31 receptor A, inhibiting IL-31 binding and subsequent signal transduction. It is useful for studying atopic dermatitis with pruritus.

Ubiquitination-IN-1 is an inhibitor of ubiquitination and Cksl-Skp2 protein-protein interaction (IC50: 0.17 μM).