Protease K is a nonspecific serine protease that is useful for general digestion of proteins.?It is active in the presence of SDS or urea and over a wide range of pH (4-12), salt concentrations, and temperatures.

ARA290 is a nonerythropoietic peptide engineered from erythropoietin,, and used for neurological disease treatment.

2-Iminothiolane HCl is a useful RNA-protein crosslinking reagent and an effective thiolation reagent for the introduction of sulphydryl groups into oligosaccharides.