Broad-spectrum protein substrates

The term "Broad-spectrum protein substrates" does not refer to a single, specific biological molecule or therapeutic target. Instead, it is a descriptive category used in pharmacology and biochemistry to denote the wide range of proteins that can be acted upon by broad-spectrum enzymes, such as certain proteases or kinases. For example, broad-spectrum proteases like papain or bromelain are used therapeutically to digest a variety of necrotic tissue proteins in wound debridement, while broad-spectrum kinase inhibitors like staurosporine target a vast array of protein kinases across the kinome. Because this term encompasses a heterogeneous group of molecules rather than a specific receptor or enzyme, it is not classified as a canonical drug target in medical literature or databases like UniProt or ChEMBL.

Other names

General protein substratesNon-specific protein targetsProteome-wide substrates

Enzymatic digestion or non-specific inhibition of multiple protein targets