Mouse Cathepsin B, CATH-B ELI

Thiol protease which is believed to participate in intracellular degradation and turnover of proteins (By similarity).

Cleaves matrix extracellular phosphoglycoprotein MEPE (By similarity).

Involved in the solubilization of cross-linked TG/thyroglobulin in the thyroid follicle lumen (PubMed: 12782676).

Has also been implicated in tumor invasion and metastasis (By similarity).